Home / 38,348.12-57,445.59-30,463.98

Finding the Fourth Proportional to 38,348.12, 57,445.59 and 30,463.98

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Solution

The fourth proportional to 38,348.12, 57,445.59 and 30,463.98 is: 45,635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,348.12 : 57,445.59 = 30,463.98 : x
  2. Step 2: Convert to fraction form
    38,348.12/57,445.59 = 30,463.98/x
  3. Step 3: Cross multiply
    38,348.12x = 57,445.59 × 30,463.98
  4. Step 4: Simplify right side
    38,348.12x = 1,750,021,304.85
  5. Step 5: Solve for x
    x = 1,750,021,304.85/38,348.12
  6. Step 6: Final answer
    x = 45,635.13

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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.