Home / 48,855.47-67,407.68-28,153.86

Finding the Fourth Proportional to 48,855.47, 67,407.68 and 28,153.86

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Solution

The fourth proportional to 48,855.47, 67,407.68 and 28,153.86 is: 38,844.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,855.47 : 67,407.68 = 28,153.86 : x
  2. Step 2: Convert to fraction form
    48,855.47/67,407.68 = 28,153.86/x
  3. Step 3: Cross multiply
    48,855.47x = 67,407.68 × 28,153.86
  4. Step 4: Simplify right side
    48,855.47x = 1,897,786,244.88
  5. Step 5: Solve for x
    x = 1,897,786,244.88/48,855.47
  6. Step 6: Final answer
    x = 38,844.91

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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.