Home / 30,504.72-42,098.44-17,075.12

Finding the Fourth Proportional to 30,504.72, 42,098.44 and 17,075.12

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Solution

The fourth proportional to 30,504.72, 42,098.44 and 17,075.12 is: 23,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,504.72 : 42,098.44 = 17,075.12 : x
  2. Step 2: Convert to fraction form
    30,504.72/42,098.44 = 17,075.12/x
  3. Step 3: Cross multiply
    30,504.72x = 42,098.44 × 17,075.12
  4. Step 4: Simplify right side
    30,504.72x = 718,835,914.81
  5. Step 5: Solve for x
    x = 718,835,914.81/30,504.72
  6. Step 6: Final answer
    x = 23,564.74

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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.