Home / 42,273.46-63,420.72-12,691.84

Finding the Fourth Proportional to 42,273.46, 63,420.72 and 12,691.84

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Solution

The fourth proportional to 42,273.46, 63,420.72 and 12,691.84 is: 19,040.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,273.46 : 63,420.72 = 12,691.84 : x
  2. Step 2: Convert to fraction form
    42,273.46/63,420.72 = 12,691.84/x
  3. Step 3: Cross multiply
    42,273.46x = 63,420.72 × 12,691.84
  4. Step 4: Simplify right side
    42,273.46x = 804,925,630.92
  5. Step 5: Solve for x
    x = 804,925,630.92/42,273.46
  6. Step 6: Final answer
    x = 19,040.92

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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.