Home / 57,391.36-86,009.28-29,708.80

Finding the Fourth Proportional to 57,391.36, 86,009.28 and 29,708.80

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Solution

The fourth proportional to 57,391.36, 86,009.28 and 29,708.80 is: 44,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,391.36 : 86,009.28 = 29,708.80 : x
  2. Step 2: Convert to fraction form
    57,391.36/86,009.28 = 29,708.80/x
  3. Step 3: Cross multiply
    57,391.36x = 86,009.28 × 29,708.80
  4. Step 4: Simplify right side
    57,391.36x = 2,555,232,497.66
  5. Step 5: Solve for x
    x = 2,555,232,497.66/57,391.36
  6. Step 6: Final answer
    x = 44,522.95

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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.