Home / 42,075.21-58,059.73-23,211.12

Finding the Fourth Proportional to 42,075.21, 58,059.73 and 23,211.12

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Solution

The fourth proportional to 42,075.21, 58,059.73 and 23,211.12 is: 32,029.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,075.21 : 58,059.73 = 23,211.12 : x
  2. Step 2: Convert to fraction form
    42,075.21/58,059.73 = 23,211.12/x
  3. Step 3: Cross multiply
    42,075.21x = 58,059.73 × 23,211.12
  4. Step 4: Simplify right side
    42,075.21x = 1,347,631,360.20
  5. Step 5: Solve for x
    x = 1,347,631,360.20/42,075.21
  6. Step 6: Final answer
    x = 32,029.11

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Half scale
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Double scale
Find fourth proportional to 42,076.21, 58,061.11 and 23,212.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.