Home / 39,691.96-59,522.94-15,991.47

Finding the Fourth Proportional to 39,691.96, 59,522.94 and 15,991.47

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Solution

The fourth proportional to 39,691.96, 59,522.94 and 15,991.47 is: 23,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,691.96 : 59,522.94 = 15,991.47 : x
  2. Step 2: Convert to fraction form
    39,691.96/59,522.94 = 15,991.47/x
  3. Step 3: Cross multiply
    39,691.96x = 59,522.94 × 15,991.47
  4. Step 4: Simplify right side
    39,691.96x = 951,859,309.32
  5. Step 5: Solve for x
    x = 951,859,309.32/39,691.96
  6. Step 6: Final answer
    x = 23,981.16

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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.