Home / 37,713.12-52,042.68-20,947.20

Finding the Fourth Proportional to 37,713.12, 52,042.68 and 20,947.20

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Solution

The fourth proportional to 37,713.12, 52,042.68 and 20,947.20 is: 28,906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,713.12 : 52,042.68 = 20,947.20 : x
  2. Step 2: Convert to fraction form
    37,713.12/52,042.68 = 20,947.20/x
  3. Step 3: Cross multiply
    37,713.12x = 52,042.68 × 20,947.20
  4. Step 4: Simplify right side
    37,713.12x = 1,090,148,426.50
  5. Step 5: Solve for x
    x = 1,090,148,426.50/37,713.12
  6. Step 6: Final answer
    x = 28,906.34

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Double scale
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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.