Home / 42,551.43-63,834.08-12,568.71

Finding the Fourth Proportional to 42,551.43, 63,834.08 and 12,568.71

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Solution

The fourth proportional to 42,551.43, 63,834.08 and 12,568.71 is: 18,855.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,551.43 : 63,834.08 = 12,568.71 : x
  2. Step 2: Convert to fraction form
    42,551.43/63,834.08 = 12,568.71/x
  3. Step 3: Cross multiply
    42,551.43x = 63,834.08 × 12,568.71
  4. Step 4: Simplify right side
    42,551.43x = 802,311,976.79
  5. Step 5: Solve for x
    x = 802,311,976.79/42,551.43
  6. Step 6: Final answer
    x = 18,855.11

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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.