Home / 48,128.92-72,165.67-18,542.93

Finding the Fourth Proportional to 48,128.92, 72,165.67 and 18,542.93

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Solution

The fourth proportional to 48,128.92, 72,165.67 and 18,542.93 is: 27,803.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,128.92 : 72,165.67 = 18,542.93 : x
  2. Step 2: Convert to fraction form
    48,128.92/72,165.67 = 18,542.93/x
  3. Step 3: Cross multiply
    48,128.92x = 72,165.67 × 18,542.93
  4. Step 4: Simplify right side
    48,128.92x = 1,338,162,560.03
  5. Step 5: Solve for x
    x = 1,338,162,560.03/48,128.92
  6. Step 6: Final answer
    x = 27,803.71

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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.