Home / 52,934.23-79,398.78-19,660.78

Finding the Fourth Proportional to 52,934.23, 79,398.78 and 19,660.78

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Solution

The fourth proportional to 52,934.23, 79,398.78 and 19,660.78 is: 29,490.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,934.23 : 79,398.78 = 19,660.78 : x
  2. Step 2: Convert to fraction form
    52,934.23/79,398.78 = 19,660.78/x
  3. Step 3: Cross multiply
    52,934.23x = 79,398.78 × 19,660.78
  4. Step 4: Simplify right side
    52,934.23x = 1,561,041,945.85
  5. Step 5: Solve for x
    x = 1,561,041,945.85/52,934.23
  6. Step 6: Final answer
    x = 29,490.22

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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.