Home / 62,431.12-86,156.32-34,139.44

Finding the Fourth Proportional to 62,431.12, 86,156.32 and 34,139.44

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Solution

The fourth proportional to 62,431.12, 86,156.32 and 34,139.44 is: 47,113.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,431.12 : 86,156.32 = 34,139.44 : x
  2. Step 2: Convert to fraction form
    62,431.12/86,156.32 = 34,139.44/x
  3. Step 3: Cross multiply
    62,431.12x = 86,156.32 × 34,139.44
  4. Step 4: Simplify right side
    62,431.12x = 2,941,328,517.26
  5. Step 5: Solve for x
    x = 2,941,328,517.26/62,431.12
  6. Step 6: Final answer
    x = 47,113.18

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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.