Home / 55,630.70-76,766.23-31,424.15

Finding the Fourth Proportional to 55,630.70, 76,766.23 and 31,424.15

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Solution

The fourth proportional to 55,630.70, 76,766.23 and 31,424.15 is: 43,363.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,630.70 : 76,766.23 = 31,424.15 : x
  2. Step 2: Convert to fraction form
    55,630.70/76,766.23 = 31,424.15/x
  3. Step 3: Cross multiply
    55,630.70x = 76,766.23 × 31,424.15
  4. Step 4: Simplify right side
    55,630.70x = 2,412,313,757.65
  5. Step 5: Solve for x
    x = 2,412,313,757.65/55,630.70
  6. Step 6: Final answer
    x = 43,363.00

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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.