Home / 55,764.40-83,645.23-13,644.15

Finding the Fourth Proportional to 55,764.40, 83,645.23 and 13,644.15

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Solution

The fourth proportional to 55,764.40, 83,645.23 and 13,644.15 is: 20,465.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,764.40 : 83,645.23 = 13,644.15 : x
  2. Step 2: Convert to fraction form
    55,764.40/83,645.23 = 13,644.15/x
  3. Step 3: Cross multiply
    55,764.40x = 83,645.23 × 13,644.15
  4. Step 4: Simplify right side
    55,764.40x = 1,141,267,781.08
  5. Step 5: Solve for x
    x = 1,141,267,781.08/55,764.40
  6. Step 6: Final answer
    x = 20,465.88

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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.