Home / 48,458.91-66,863.49-28,311.90

Finding the Fourth Proportional to 48,458.91, 66,863.49 and 28,311.90

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Solution

The fourth proportional to 48,458.91, 66,863.49 and 28,311.90 is: 39,064.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,458.91 : 66,863.49 = 28,311.90 : x
  2. Step 2: Convert to fraction form
    48,458.91/66,863.49 = 28,311.90/x
  3. Step 3: Cross multiply
    48,458.91x = 66,863.49 × 28,311.90
  4. Step 4: Simplify right side
    48,458.91x = 1,893,032,125.44
  5. Step 5: Solve for x
    x = 1,893,032,125.44/48,458.91
  6. Step 6: Final answer
    x = 39,064.69

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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.