Home / 31,965.40-47,948.10-29,200.60

Finding the Fourth Proportional to 31,965.40, 47,948.10 and 29,200.60

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Solution

The fourth proportional to 31,965.40, 47,948.10 and 29,200.60 is: 43,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,965.40 : 47,948.10 = 29,200.60 : x
  2. Step 2: Convert to fraction form
    31,965.40/47,948.10 = 29,200.60/x
  3. Step 3: Cross multiply
    31,965.40x = 47,948.10 × 29,200.60
  4. Step 4: Simplify right side
    31,965.40x = 1,400,113,288.86
  5. Step 5: Solve for x
    x = 1,400,113,288.86/31,965.40
  6. Step 6: Final answer
    x = 43,800.90

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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.