Home / 55,716.48-76,887.36-31,186.95

Finding the Fourth Proportional to 55,716.48, 76,887.36 and 31,186.95

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Solution

The fourth proportional to 55,716.48, 76,887.36 and 31,186.95 is: 43,037.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,716.48 : 76,887.36 = 31,186.95 : x
  2. Step 2: Convert to fraction form
    55,716.48/76,887.36 = 31,186.95/x
  3. Step 3: Cross multiply
    55,716.48x = 76,887.36 × 31,186.95
  4. Step 4: Simplify right side
    55,716.48x = 2,397,882,251.95
  5. Step 5: Solve for x
    x = 2,397,882,251.95/55,716.48
  6. Step 6: Final answer
    x = 43,037.22

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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.