Home / 51,972.18-71,721.59-28,098.84

Finding the Fourth Proportional to 51,972.18, 71,721.59 and 28,098.84

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Solution

The fourth proportional to 51,972.18, 71,721.59 and 28,098.84 is: 38,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,972.18 : 71,721.59 = 28,098.84 : x
  2. Step 2: Convert to fraction form
    51,972.18/71,721.59 = 28,098.84/x
  3. Step 3: Cross multiply
    51,972.18x = 71,721.59 × 28,098.84
  4. Step 4: Simplify right side
    51,972.18x = 2,015,293,610.42
  5. Step 5: Solve for x
    x = 2,015,293,610.42/51,972.18
  6. Step 6: Final answer
    x = 38,776.39

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1.5x scale

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.