Home / 42,815.48-64,234.14-16,513.16

Finding the Fourth Proportional to 42,815.48, 64,234.14 and 16,513.16

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Solution

The fourth proportional to 42,815.48, 64,234.14 and 16,513.16 is: 24,773.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,815.48 : 64,234.14 = 16,513.16 : x
  2. Step 2: Convert to fraction form
    42,815.48/64,234.14 = 16,513.16/x
  3. Step 3: Cross multiply
    42,815.48x = 64,234.14 × 16,513.16
  4. Step 4: Simplify right side
    42,815.48x = 1,060,708,631.28
  5. Step 5: Solve for x
    x = 1,060,708,631.28/42,815.48
  6. Step 6: Final answer
    x = 24,773.95

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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.