Home / 38,167.29-52,671.24-21,171.87

Finding the Fourth Proportional to 38,167.29, 52,671.24 and 21,171.87

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Solution

The fourth proportional to 38,167.29, 52,671.24 and 21,171.87 is: 29,217.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,167.29 : 52,671.24 = 21,171.87 : x
  2. Step 2: Convert to fraction form
    38,167.29/52,671.24 = 21,171.87/x
  3. Step 3: Cross multiply
    38,167.29x = 52,671.24 × 21,171.87
  4. Step 4: Simplify right side
    38,167.29x = 1,115,148,646.02
  5. Step 5: Solve for x
    x = 1,115,148,646.02/38,167.29
  6. Step 6: Final answer
    x = 29,217.39

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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.