Home / 48,379.52-66,759.40-28,238.16

Finding the Fourth Proportional to 48,379.52, 66,759.40 and 28,238.16

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Solution

The fourth proportional to 48,379.52, 66,759.40 and 28,238.16 is: 38,966.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,379.52 : 66,759.40 = 28,238.16 : x
  2. Step 2: Convert to fraction form
    48,379.52/66,759.40 = 28,238.16/x
  3. Step 3: Cross multiply
    48,379.52x = 66,759.40 × 28,238.16
  4. Step 4: Simplify right side
    48,379.52x = 1,885,162,618.70
  5. Step 5: Solve for x
    x = 1,885,162,618.70/48,379.52
  6. Step 6: Final answer
    x = 38,966.13

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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.