Home / 31,850.28-47,775.02-19,373.72

Finding the Fourth Proportional to 31,850.28, 47,775.02 and 19,373.72

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Solution

The fourth proportional to 31,850.28, 47,775.02 and 19,373.72 is: 29,060.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,850.28 : 47,775.02 = 19,373.72 : x
  2. Step 2: Convert to fraction form
    31,850.28/47,775.02 = 19,373.72/x
  3. Step 3: Cross multiply
    31,850.28x = 47,775.02 × 19,373.72
  4. Step 4: Simplify right side
    31,850.28x = 925,579,860.47
  5. Step 5: Solve for x
    x = 925,579,860.47/31,850.28
  6. Step 6: Final answer
    x = 29,060.34

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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.