Home / 65,411.28-90,268.50-36,737.14

Finding the Fourth Proportional to 65,411.28, 90,268.50 and 36,737.14

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Solution

The fourth proportional to 65,411.28, 90,268.50 and 36,737.14 is: 50,697.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,411.28 : 90,268.50 = 36,737.14 : x
  2. Step 2: Convert to fraction form
    65,411.28/90,268.50 = 36,737.14/x
  3. Step 3: Cross multiply
    65,411.28x = 90,268.50 × 36,737.14
  4. Step 4: Simplify right side
    65,411.28x = 3,316,206,522.09
  5. Step 5: Solve for x
    x = 3,316,206,522.09/65,411.28
  6. Step 6: Final answer
    x = 50,697.78

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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.