Home / 84,552.85-126,818.34-31,955.50

Finding the Fourth Proportional to 84,552.85, 126,818.34 and 31,955.50

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Solution

The fourth proportional to 84,552.85, 126,818.34 and 31,955.50 is: 47,929.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,552.85 : 126,818.34 = 31,955.50 : x
  2. Step 2: Convert to fraction form
    84,552.85/126,818.34 = 31,955.50/x
  3. Step 3: Cross multiply
    84,552.85x = 126,818.34 × 31,955.50
  4. Step 4: Simplify right side
    84,552.85x = 4,052,543,463.87
  5. Step 5: Solve for x
    x = 4,052,543,463.87/84,552.85
  6. Step 6: Final answer
    x = 47,929.12

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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.