Home / 31,869.28-47,803.90-9,682.57

Finding the Fourth Proportional to 31,869.28, 47,803.90 and 9,682.57

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Solution

The fourth proportional to 31,869.28, 47,803.90 and 9,682.57 is: 14,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,869.28 : 47,803.90 = 9,682.57 : x
  2. Step 2: Convert to fraction form
    31,869.28/47,803.90 = 9,682.57/x
  3. Step 3: Cross multiply
    31,869.28x = 47,803.90 × 9,682.57
  4. Step 4: Simplify right side
    31,869.28x = 462,864,608.02
  5. Step 5: Solve for x
    x = 462,864,608.02/31,869.28
  6. Step 6: Final answer
    x = 14,523.85

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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.