Home / 52,659.70-72,671.78-31,451.20

Finding the Fourth Proportional to 52,659.70, 72,671.78 and 31,451.20

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Solution

The fourth proportional to 52,659.70, 72,671.78 and 31,451.20 is: 43,403.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,659.70 : 72,671.78 = 31,451.20 : x
  2. Step 2: Convert to fraction form
    52,659.70/72,671.78 = 31,451.20/x
  3. Step 3: Cross multiply
    52,659.70x = 72,671.78 × 31,451.20
  4. Step 4: Simplify right side
    52,659.70x = 2,285,614,687.14
  5. Step 5: Solve for x
    x = 2,285,614,687.14/52,659.70
  6. Step 6: Final answer
    x = 43,403.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.