Home / 38,000.68-57,002.16-13,040.36

Finding the Fourth Proportional to 38,000.68, 57,002.16 and 13,040.36

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Solution

The fourth proportional to 38,000.68, 57,002.16 and 13,040.36 is: 19,560.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,000.68 : 57,002.16 = 13,040.36 : x
  2. Step 2: Convert to fraction form
    38,000.68/57,002.16 = 13,040.36/x
  3. Step 3: Cross multiply
    38,000.68x = 57,002.16 × 13,040.36
  4. Step 4: Simplify right side
    38,000.68x = 743,328,687.18
  5. Step 5: Solve for x
    x = 743,328,687.18/38,000.68
  6. Step 6: Final answer
    x = 19,560.93

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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.