Home / 45,129.84-62,167.80-38,393.88

Finding the Fourth Proportional to 45,129.84, 62,167.80 and 38,393.88

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Solution

The fourth proportional to 45,129.84, 62,167.80 and 38,393.88 is: 52,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,129.84 : 62,167.80 = 38,393.88 : x
  2. Step 2: Convert to fraction form
    45,129.84/62,167.80 = 38,393.88/x
  3. Step 3: Cross multiply
    45,129.84x = 62,167.80 × 38,393.88
  4. Step 4: Simplify right side
    45,129.84x = 2,386,863,053.06
  5. Step 5: Solve for x
    x = 2,386,863,053.06/45,129.84
  6. Step 6: Final answer
    x = 52,888.80

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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.