Home / 62,990.28-86,896.26-39,144.96

Finding the Fourth Proportional to 62,990.28, 86,896.26 and 39,144.96

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Solution

The fourth proportional to 62,990.28, 86,896.26 and 39,144.96 is: 54,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,990.28 : 86,896.26 = 39,144.96 : x
  2. Step 2: Convert to fraction form
    62,990.28/86,896.26 = 39,144.96/x
  3. Step 3: Cross multiply
    62,990.28x = 86,896.26 × 39,144.96
  4. Step 4: Simplify right side
    62,990.28x = 3,401,550,621.85
  5. Step 5: Solve for x
    x = 3,401,550,621.85/62,990.28
  6. Step 6: Final answer
    x = 54,001.20

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1.5x scale

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.