Home / 48,177.52-72,241.38-21,148.80

Finding the Fourth Proportional to 48,177.52, 72,241.38 and 21,148.80

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Solution

The fourth proportional to 48,177.52, 72,241.38 and 21,148.80 is: 31,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,177.52 : 72,241.38 = 21,148.80 : x
  2. Step 2: Convert to fraction form
    48,177.52/72,241.38 = 21,148.80/x
  3. Step 3: Cross multiply
    48,177.52x = 72,241.38 × 21,148.80
  4. Step 4: Simplify right side
    48,177.52x = 1,527,818,263.87
  5. Step 5: Solve for x
    x = 1,527,818,263.87/48,177.52
  6. Step 6: Final answer
    x = 31,712.27

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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.