Home / 52,316.55-72,197.01-28,443.21

Finding the Fourth Proportional to 52,316.55, 72,197.01 and 28,443.21

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Solution

The fourth proportional to 52,316.55, 72,197.01 and 28,443.21 is: 39,251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,316.55 : 72,197.01 = 28,443.21 : x
  2. Step 2: Convert to fraction form
    52,316.55/72,197.01 = 28,443.21/x
  3. Step 3: Cross multiply
    52,316.55x = 72,197.01 × 28,443.21
  4. Step 4: Simplify right side
    52,316.55x = 2,053,514,716.80
  5. Step 5: Solve for x
    x = 2,053,514,716.80/52,316.55
  6. Step 6: Final answer
    x = 39,251.72

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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.