Home / 43,164.90-64,765.98-31,331.75

Finding the Fourth Proportional to 43,164.90, 64,765.98 and 31,331.75

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Solution

The fourth proportional to 43,164.90, 64,765.98 and 31,331.75 is: 47,011.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,164.90 : 64,765.98 = 31,331.75 : x
  2. Step 2: Convert to fraction form
    43,164.90/64,765.98 = 31,331.75/x
  3. Step 3: Cross multiply
    43,164.90x = 64,765.98 × 31,331.75
  4. Step 4: Simplify right side
    43,164.90x = 2,029,231,170.04
  5. Step 5: Solve for x
    x = 2,029,231,170.04/43,164.90
  6. Step 6: Final answer
    x = 47,011.14

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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.