Home / 42,431.70-63,655.74-16,134.39

Finding the Fourth Proportional to 42,431.70, 63,655.74 and 16,134.39

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Solution

The fourth proportional to 42,431.70, 63,655.74 and 16,134.39 is: 24,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,431.70 : 63,655.74 = 16,134.39 : x
  2. Step 2: Convert to fraction form
    42,431.70/63,655.74 = 16,134.39/x
  3. Step 3: Cross multiply
    42,431.70x = 63,655.74 × 16,134.39
  4. Step 4: Simplify right side
    42,431.70x = 1,027,046,534.90
  5. Step 5: Solve for x
    x = 1,027,046,534.90/42,431.70
  6. Step 6: Final answer
    x = 24,204.70

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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.