Home / 61,426.31-92,135.71-36,139.82

Finding the Fourth Proportional to 61,426.31, 92,135.71 and 36,139.82

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Solution

The fourth proportional to 61,426.31, 92,135.71 and 36,139.82 is: 54,207.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,426.31 : 92,135.71 = 36,139.82 : x
  2. Step 2: Convert to fraction form
    61,426.31/92,135.71 = 36,139.82/x
  3. Step 3: Cross multiply
    61,426.31x = 92,135.71 × 36,139.82
  4. Step 4: Simplify right side
    61,426.31x = 3,329,767,974.97
  5. Step 5: Solve for x
    x = 3,329,767,974.97/61,426.31
  6. Step 6: Final answer
    x = 54,207.52

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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.