Home / 42,143.79-63,224.92-15,848.54

Finding the Fourth Proportional to 42,143.79, 63,224.92 and 15,848.54

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Solution

The fourth proportional to 42,143.79, 63,224.92 and 15,848.54 is: 23,776.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,143.79 : 63,224.92 = 15,848.54 : x
  2. Step 2: Convert to fraction form
    42,143.79/63,224.92 = 15,848.54/x
  3. Step 3: Cross multiply
    42,143.79x = 63,224.92 × 15,848.54
  4. Step 4: Simplify right side
    42,143.79x = 1,002,022,673.62
  5. Step 5: Solve for x
    x = 1,002,022,673.62/42,143.79
  6. Step 6: Final answer
    x = 23,776.28

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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.