Home / 61,185.21-84,436.88-34,329.66

Finding the Fourth Proportional to 61,185.21, 84,436.88 and 34,329.66

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Solution

The fourth proportional to 61,185.21, 84,436.88 and 34,329.66 is: 47,375.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,185.21 : 84,436.88 = 34,329.66 : x
  2. Step 2: Convert to fraction form
    61,185.21/84,436.88 = 34,329.66/x
  3. Step 3: Cross multiply
    61,185.21x = 84,436.88 × 34,329.66
  4. Step 4: Simplify right side
    61,185.21x = 2,898,689,381.86
  5. Step 5: Solve for x
    x = 2,898,689,381.86/61,185.21
  6. Step 6: Final answer
    x = 47,375.65

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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.