Home / 62,461.12-86,204.64-40,169.92

Finding the Fourth Proportional to 62,461.12, 86,204.64 and 40,169.92

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Solution

The fourth proportional to 62,461.12, 86,204.64 and 40,169.92 is: 55,439.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,461.12 : 86,204.64 = 40,169.92 : x
  2. Step 2: Convert to fraction form
    62,461.12/86,204.64 = 40,169.92/x
  3. Step 3: Cross multiply
    62,461.12x = 86,204.64 × 40,169.92
  4. Step 4: Simplify right side
    62,461.12x = 3,462,833,492.43
  5. Step 5: Solve for x
    x = 3,462,833,492.43/62,461.12
  6. Step 6: Final answer
    x = 55,439.82

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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.