Home / 31,432.67-47,149.01-9,246.05

Finding the Fourth Proportional to 31,432.67, 47,149.01 and 9,246.05

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Solution

The fourth proportional to 31,432.67, 47,149.01 and 9,246.05 is: 13,869.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432.67 : 47,149.01 = 9,246.05 : x
  2. Step 2: Convert to fraction form
    31,432.67/47,149.01 = 9,246.05/x
  3. Step 3: Cross multiply
    31,432.67x = 47,149.01 × 9,246.05
  4. Step 4: Simplify right side
    31,432.67x = 435,942,059.42
  5. Step 5: Solve for x
    x = 435,942,059.42/31,432.67
  6. Step 6: Final answer
    x = 13,869.07

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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.