Home / 42,258.08-63,342.24-15,951.68

Finding the Fourth Proportional to 42,258.08, 63,342.24 and 15,951.68

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Solution

The fourth proportional to 42,258.08, 63,342.24 and 15,951.68 is: 23,910.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,258.08 : 63,342.24 = 15,951.68 : x
  2. Step 2: Convert to fraction form
    42,258.08/63,342.24 = 15,951.68/x
  3. Step 3: Cross multiply
    42,258.08x = 63,342.24 × 15,951.68
  4. Step 4: Simplify right side
    42,258.08x = 1,010,415,142.96
  5. Step 5: Solve for x
    x = 1,010,415,142.96/42,258.08
  6. Step 6: Final answer
    x = 23,910.58

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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.