Home / 31,610.61-47,472.30-30,340.62

Finding the Fourth Proportional to 31,610.61, 47,472.30 and 30,340.62

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Solution

The fourth proportional to 31,610.61, 47,472.30 and 30,340.62 is: 45,565.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,610.61 : 47,472.30 = 30,340.62 : x
  2. Step 2: Convert to fraction form
    31,610.61/47,472.30 = 30,340.62/x
  3. Step 3: Cross multiply
    31,610.61x = 47,472.30 × 30,340.62
  4. Step 4: Simplify right side
    31,610.61x = 1,440,339,014.83
  5. Step 5: Solve for x
    x = 1,440,339,014.83/31,610.61
  6. Step 6: Final answer
    x = 45,565.05

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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.