Home / 39,402.68-59,066.30-13,088.94

Finding the Fourth Proportional to 39,402.68, 59,066.30 and 13,088.94

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Solution

The fourth proportional to 39,402.68, 59,066.30 and 13,088.94 is: 19,620.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,402.68 : 59,066.30 = 13,088.94 : x
  2. Step 2: Convert to fraction form
    39,402.68/59,066.30 = 13,088.94/x
  3. Step 3: Cross multiply
    39,402.68x = 59,066.30 × 13,088.94
  4. Step 4: Simplify right side
    39,402.68x = 773,115,191.28
  5. Step 5: Solve for x
    x = 773,115,191.28/39,402.68
  6. Step 6: Final answer
    x = 19,620.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.