Home / 42,052.87-63,079.55-12,470.95

Finding the Fourth Proportional to 42,052.87, 63,079.55 and 12,470.95

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Solution

The fourth proportional to 42,052.87, 63,079.55 and 12,470.95 is: 18,706.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,052.87 : 63,079.55 = 12,470.95 : x
  2. Step 2: Convert to fraction form
    42,052.87/63,079.55 = 12,470.95/x
  3. Step 3: Cross multiply
    42,052.87x = 63,079.55 × 12,470.95
  4. Step 4: Simplify right side
    42,052.87x = 786,661,536.32
  5. Step 5: Solve for x
    x = 786,661,536.32/42,052.87
  6. Step 6: Final answer
    x = 18,706.49

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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.