Home / 42,156.47-63,216.21-15,842.73

Finding the Fourth Proportional to 42,156.47, 63,216.21 and 15,842.73

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Solution

The fourth proportional to 42,156.47, 63,216.21 and 15,842.73 is: 23,757.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,156.47 : 63,216.21 = 15,842.73 : x
  2. Step 2: Convert to fraction form
    42,156.47/63,216.21 = 15,842.73/x
  3. Step 3: Cross multiply
    42,156.47x = 63,216.21 × 15,842.73
  4. Step 4: Simplify right side
    42,156.47x = 1,001,517,346.65
  5. Step 5: Solve for x
    x = 1,001,517,346.65/42,156.47
  6. Step 6: Final answer
    x = 23,757.14

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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.