Home / 38,265.91-52,815.30-21,275.95

Finding the Fourth Proportional to 38,265.91, 52,815.30 and 21,275.95

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Solution

The fourth proportional to 38,265.91, 52,815.30 and 21,275.95 is: 29,365.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,265.91 : 52,815.30 = 21,275.95 : x
  2. Step 2: Convert to fraction form
    38,265.91/52,815.30 = 21,275.95/x
  3. Step 3: Cross multiply
    38,265.91x = 52,815.30 × 21,275.95
  4. Step 4: Simplify right side
    38,265.91x = 1,123,695,682.04
  5. Step 5: Solve for x
    x = 1,123,695,682.04/38,265.91
  6. Step 6: Final answer
    x = 29,365.45

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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.