Home / 38,377.52-52,956.87-21,378.48

Finding the Fourth Proportional to 38,377.52, 52,956.87 and 21,378.48

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Solution

The fourth proportional to 38,377.52, 52,956.87 and 21,378.48 is: 29,500.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,377.52 : 52,956.87 = 21,378.48 : x
  2. Step 2: Convert to fraction form
    38,377.52/52,956.87 = 21,378.48/x
  3. Step 3: Cross multiply
    38,377.52x = 52,956.87 × 21,378.48
  4. Step 4: Simplify right side
    38,377.52x = 1,132,137,386.16
  5. Step 5: Solve for x
    x = 1,132,137,386.16/38,377.52
  6. Step 6: Final answer
    x = 29,500.02

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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.