Home / 42,589.46-63,886.05-14,508.38

Finding the Fourth Proportional to 42,589.46, 63,886.05 and 14,508.38

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Solution

The fourth proportional to 42,589.46, 63,886.05 and 14,508.38 is: 21,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,589.46 : 63,886.05 = 14,508.38 : x
  2. Step 2: Convert to fraction form
    42,589.46/63,886.05 = 14,508.38/x
  3. Step 3: Cross multiply
    42,589.46x = 63,886.05 × 14,508.38
  4. Step 4: Simplify right side
    42,589.46x = 926,883,249.81
  5. Step 5: Solve for x
    x = 926,883,249.81/42,589.46
  6. Step 6: Final answer
    x = 21,763.21

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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.