Home / 48,678.42-67,177.10-28,549.83

Finding the Fourth Proportional to 48,678.42, 67,177.10 and 28,549.83

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Solution

The fourth proportional to 48,678.42, 67,177.10 and 28,549.83 is: 39,399.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,678.42 : 67,177.10 = 28,549.83 : x
  2. Step 2: Convert to fraction form
    48,678.42/67,177.10 = 28,549.83/x
  3. Step 3: Cross multiply
    48,678.42x = 67,177.10 × 28,549.83
  4. Step 4: Simplify right side
    48,678.42x = 1,917,894,642.14
  5. Step 5: Solve for x
    x = 1,917,894,642.14/48,678.42
  6. Step 6: Final answer
    x = 39,399.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.