Home / 48,439.96-66,855.16-28,296.78

Finding the Fourth Proportional to 48,439.96, 66,855.16 and 28,296.78

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Solution

The fourth proportional to 48,439.96, 66,855.16 and 28,296.78 is: 39,054.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,439.96 : 66,855.16 = 28,296.78 : x
  2. Step 2: Convert to fraction form
    48,439.96/66,855.16 = 28,296.78/x
  3. Step 3: Cross multiply
    48,439.96x = 66,855.16 × 28,296.78
  4. Step 4: Simplify right side
    48,439.96x = 1,891,785,754.38
  5. Step 5: Solve for x
    x = 1,891,785,754.38/48,439.96
  6. Step 6: Final answer
    x = 39,054.24

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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.