Home / 48,272.48-66,613.28-28,132.64

Finding the Fourth Proportional to 48,272.48, 66,613.28 and 28,132.64

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Solution

The fourth proportional to 48,272.48, 66,613.28 and 28,132.64 is: 38,821.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,272.48 : 66,613.28 = 28,132.64 : x
  2. Step 2: Convert to fraction form
    48,272.48/66,613.28 = 28,132.64/x
  3. Step 3: Cross multiply
    48,272.48x = 66,613.28 × 28,132.64
  4. Step 4: Simplify right side
    48,272.48x = 1,874,007,425.46
  5. Step 5: Solve for x
    x = 1,874,007,425.46/48,272.48
  6. Step 6: Final answer
    x = 38,821.44

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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.