Home / 31,375.73-47,032.00-13,842.47

Finding the Fourth Proportional to 31,375.73, 47,032.00 and 13,842.47

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Solution

The fourth proportional to 31,375.73, 47,032.00 and 13,842.47 is: 20,749.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,375.73 : 47,032.00 = 13,842.47 : x
  2. Step 2: Convert to fraction form
    31,375.73/47,032.00 = 13,842.47/x
  3. Step 3: Cross multiply
    31,375.73x = 47,032.00 × 13,842.47
  4. Step 4: Simplify right side
    31,375.73x = 651,038,779.27
  5. Step 5: Solve for x
    x = 651,038,779.27/31,375.73
  6. Step 6: Final answer
    x = 20,749.76

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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.