Home / 38,123.04-57,166.76-20,348.88

Finding the Fourth Proportional to 38,123.04, 57,166.76 and 20,348.88

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Solution

The fourth proportional to 38,123.04, 57,166.76 and 20,348.88 is: 30,513.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,123.04 : 57,166.76 = 20,348.88 : x
  2. Step 2: Convert to fraction form
    38,123.04/57,166.76 = 20,348.88/x
  3. Step 3: Cross multiply
    38,123.04x = 57,166.76 × 20,348.88
  4. Step 4: Simplify right side
    38,123.04x = 1,163,279,539.23
  5. Step 5: Solve for x
    x = 1,163,279,539.23/38,123.04
  6. Step 6: Final answer
    x = 30,513.82

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1.5x scale

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.