Home / 42,155.44-63,211.92-14,065.76

Finding the Fourth Proportional to 42,155.44, 63,211.92 and 14,065.76

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Solution

The fourth proportional to 42,155.44, 63,211.92 and 14,065.76 is: 21,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,155.44 : 63,211.92 = 14,065.76 : x
  2. Step 2: Convert to fraction form
    42,155.44/63,211.92 = 14,065.76/x
  3. Step 3: Cross multiply
    42,155.44x = 63,211.92 × 14,065.76
  4. Step 4: Simplify right side
    42,155.44x = 889,123,695.86
  5. Step 5: Solve for x
    x = 889,123,695.86/42,155.44
  6. Step 6: Final answer
    x = 21,091.55

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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.