Home / 51,839.36-71,521.60-30,625.92

Finding the Fourth Proportional to 51,839.36, 71,521.60 and 30,625.92

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Solution

The fourth proportional to 51,839.36, 71,521.60 and 30,625.92 is: 42,253.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,839.36 : 71,521.60 = 30,625.92 : x
  2. Step 2: Convert to fraction form
    51,839.36/71,521.60 = 30,625.92/x
  3. Step 3: Cross multiply
    51,839.36x = 71,521.60 × 30,625.92
  4. Step 4: Simplify right side
    51,839.36x = 2,190,414,799.87
  5. Step 5: Solve for x
    x = 2,190,414,799.87/51,839.36
  6. Step 6: Final answer
    x = 42,253.89

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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.