Home / 42,331.11-63,497.52-12,347.54

Finding the Fourth Proportional to 42,331.11, 63,497.52 and 12,347.54

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Solution

The fourth proportional to 42,331.11, 63,497.52 and 12,347.54 is: 18,521.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,331.11 : 63,497.52 = 12,347.54 : x
  2. Step 2: Convert to fraction form
    42,331.11/63,497.52 = 12,347.54/x
  3. Step 3: Cross multiply
    42,331.11x = 63,497.52 × 12,347.54
  4. Step 4: Simplify right side
    42,331.11x = 784,038,088.73
  5. Step 5: Solve for x
    x = 784,038,088.73/42,331.11
  6. Step 6: Final answer
    x = 18,521.56

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1.5x scale

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.