Home / 52,830.40-79,248.44-13,387.84

Finding the Fourth Proportional to 52,830.40, 79,248.44 and 13,387.84

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Solution

The fourth proportional to 52,830.40, 79,248.44 and 13,387.84 is: 20,082.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,830.40 : 79,248.44 = 13,387.84 : x
  2. Step 2: Convert to fraction form
    52,830.40/79,248.44 = 13,387.84/x
  3. Step 3: Cross multiply
    52,830.40x = 79,248.44 × 13,387.84
  4. Step 4: Simplify right side
    52,830.40x = 1,060,965,434.97
  5. Step 5: Solve for x
    x = 1,060,965,434.97/52,830.40
  6. Step 6: Final answer
    x = 20,082.48

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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.