Home / 61,329.24-84,636-34,474.20

Finding the Fourth Proportional to 61,329.24, 84,636 and 34,474.20

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Solution

The fourth proportional to 61,329.24, 84,636 and 34,474.20 is: 47,575.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,329.24 : 84,636 = 34,474.20 : x
  2. Step 2: Convert to fraction form
    61,329.24/84,636 = 34,474.20/x
  3. Step 3: Cross multiply
    61,329.24x = 84,636 × 34,474.20
  4. Step 4: Simplify right side
    61,329.24x = 2,917,758,391.20
  5. Step 5: Solve for x
    x = 2,917,758,391.20/61,329.24
  6. Step 6: Final answer
    x = 47,575.32

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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.