Home / 38,165.52-52,671.68-21,401.76

Finding the Fourth Proportional to 38,165.52, 52,671.68 and 21,401.76

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Solution

The fourth proportional to 38,165.52, 52,671.68 and 21,401.76 is: 29,536.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,165.52 : 52,671.68 = 21,401.76 : x
  2. Step 2: Convert to fraction form
    38,165.52/52,671.68 = 21,401.76/x
  3. Step 3: Cross multiply
    38,165.52x = 52,671.68 × 21,401.76
  4. Step 4: Simplify right side
    38,165.52x = 1,127,266,654.16
  5. Step 5: Solve for x
    x = 1,127,266,654.16/38,165.52
  6. Step 6: Final answer
    x = 29,536.26

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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.