Home / 38,471.80-57,729.30-16,281.40

Finding the Fourth Proportional to 38,471.80, 57,729.30 and 16,281.40

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Solution

The fourth proportional to 38,471.80, 57,729.30 and 16,281.40 is: 24,431.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,471.80 : 57,729.30 = 16,281.40 : x
  2. Step 2: Convert to fraction form
    38,471.80/57,729.30 = 16,281.40/x
  3. Step 3: Cross multiply
    38,471.80x = 57,729.30 × 16,281.40
  4. Step 4: Simplify right side
    38,471.80x = 939,913,825.02
  5. Step 5: Solve for x
    x = 939,913,825.02/38,471.80
  6. Step 6: Final answer
    x = 24,431.24

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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.