Home / 48,280.62-66,614.05-28,891.73

Finding the Fourth Proportional to 48,280.62, 66,614.05 and 28,891.73

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Solution

The fourth proportional to 48,280.62, 66,614.05 and 28,891.73 is: 39,862.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,280.62 : 66,614.05 = 28,891.73 : x
  2. Step 2: Convert to fraction form
    48,280.62/66,614.05 = 28,891.73/x
  3. Step 3: Cross multiply
    48,280.62x = 66,614.05 × 28,891.73
  4. Step 4: Simplify right side
    48,280.62x = 1,924,594,741.51
  5. Step 5: Solve for x
    x = 1,924,594,741.51/48,280.62
  6. Step 6: Final answer
    x = 39,862.68

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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.