Home / 38,072.95-52,539.90-21,077.19

Finding the Fourth Proportional to 38,072.95, 52,539.90 and 21,077.19

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Solution

The fourth proportional to 38,072.95, 52,539.90 and 21,077.19 is: 29,086.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,072.95 : 52,539.90 = 21,077.19 : x
  2. Step 2: Convert to fraction form
    38,072.95/52,539.90 = 21,077.19/x
  3. Step 3: Cross multiply
    38,072.95x = 52,539.90 × 21,077.19
  4. Step 4: Simplify right side
    38,072.95x = 1,107,393,454.88
  5. Step 5: Solve for x
    x = 1,107,393,454.88/38,072.95
  6. Step 6: Final answer
    x = 29,086.10

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Half scale
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Double scale
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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.