Home / 55,277.17-76,284.55-31,407.88

Finding the Fourth Proportional to 55,277.17, 76,284.55 and 31,407.88

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Solution

The fourth proportional to 55,277.17, 76,284.55 and 31,407.88 is: 43,344.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,277.17 : 76,284.55 = 31,407.88 : x
  2. Step 2: Convert to fraction form
    55,277.17/76,284.55 = 31,407.88/x
  3. Step 3: Cross multiply
    55,277.17x = 76,284.55 × 31,407.88
  4. Step 4: Simplify right side
    55,277.17x = 2,395,935,992.25
  5. Step 5: Solve for x
    x = 2,395,935,992.25/55,277.17
  6. Step 6: Final answer
    x = 43,344.04

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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.