Home / 61,139.64-84,372.38-34,282.12

Finding the Fourth Proportional to 61,139.64, 84,372.38 and 34,282.12

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Solution

The fourth proportional to 61,139.64, 84,372.38 and 34,282.12 is: 47,309.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,139.64 : 84,372.38 = 34,282.12 : x
  2. Step 2: Convert to fraction form
    61,139.64/84,372.38 = 34,282.12/x
  3. Step 3: Cross multiply
    61,139.64x = 84,372.38 × 34,282.12
  4. Step 4: Simplify right side
    61,139.64x = 2,892,464,055.85
  5. Step 5: Solve for x
    x = 2,892,464,055.85/61,139.64
  6. Step 6: Final answer
    x = 47,309.14

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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.