Home / 47,881.60-71,822.40-43,288.90

Finding the Fourth Proportional to 47,881.60, 71,822.40 and 43,288.90

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Solution

The fourth proportional to 47,881.60, 71,822.40 and 43,288.90 is: 64,933.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,881.60 : 71,822.40 = 43,288.90 : x
  2. Step 2: Convert to fraction form
    47,881.60/71,822.40 = 43,288.90/x
  3. Step 3: Cross multiply
    47,881.60x = 71,822.40 × 43,288.90
  4. Step 4: Simplify right side
    47,881.60x = 3,109,112,691.36
  5. Step 5: Solve for x
    x = 3,109,112,691.36/47,881.60
  6. Step 6: Final answer
    x = 64,933.35

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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.