Home / 50,439.60-75,663.54-20,851.92

Finding the Fourth Proportional to 50,439.60, 75,663.54 and 20,851.92

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Solution

The fourth proportional to 50,439.60, 75,663.54 and 20,851.92 is: 31,279.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,439.60 : 75,663.54 = 20,851.92 : x
  2. Step 2: Convert to fraction form
    50,439.60/75,663.54 = 20,851.92/x
  3. Step 3: Cross multiply
    50,439.60x = 75,663.54 × 20,851.92
  4. Step 4: Simplify right side
    50,439.60x = 1,577,730,083.00
  5. Step 5: Solve for x
    x = 1,577,730,083.00/50,439.60
  6. Step 6: Final answer
    x = 31,279.59

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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.