Home / 42,411.56-63,624.68-14,331.84

Finding the Fourth Proportional to 42,411.56, 63,624.68 and 14,331.84

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Solution

The fourth proportional to 42,411.56, 63,624.68 and 14,331.84 is: 21,500.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,411.56 : 63,624.68 = 14,331.84 : x
  2. Step 2: Convert to fraction form
    42,411.56/63,624.68 = 14,331.84/x
  3. Step 3: Cross multiply
    42,411.56x = 63,624.68 × 14,331.84
  4. Step 4: Simplify right side
    42,411.56x = 911,858,733.81
  5. Step 5: Solve for x
    x = 911,858,733.81/42,411.56
  6. Step 6: Final answer
    x = 21,500.24

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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.