Home / 62,728.40-94,062.36-36,440.66

Finding the Fourth Proportional to 62,728.40, 94,062.36 and 36,440.66

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Solution

The fourth proportional to 62,728.40, 94,062.36 and 36,440.66 is: 54,643.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,728.40 : 94,062.36 = 36,440.66 : x
  2. Step 2: Convert to fraction form
    62,728.40/94,062.36 = 36,440.66/x
  3. Step 3: Cross multiply
    62,728.40x = 94,062.36 × 36,440.66
  4. Step 4: Simplify right side
    62,728.40x = 3,427,694,479.56
  5. Step 5: Solve for x
    x = 3,427,694,479.56/62,728.40
  6. Step 6: Final answer
    x = 54,643.42

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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.