Home / 52,654.77-79,013.40-19,398.18

Finding the Fourth Proportional to 52,654.77, 79,013.40 and 19,398.18

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Solution

The fourth proportional to 52,654.77, 79,013.40 and 19,398.18 is: 29,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,654.77 : 79,013.40 = 19,398.18 : x
  2. Step 2: Convert to fraction form
    52,654.77/79,013.40 = 19,398.18/x
  3. Step 3: Cross multiply
    52,654.77x = 79,013.40 × 19,398.18
  4. Step 4: Simplify right side
    52,654.77x = 1,532,716,155.61
  5. Step 5: Solve for x
    x = 1,532,716,155.61/52,654.77
  6. Step 6: Final answer
    x = 29,108.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.