Home / 61,119.21-84,385.76-38,184.11

Finding the Fourth Proportional to 61,119.21, 84,385.76 and 38,184.11

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Solution

The fourth proportional to 61,119.21, 84,385.76 and 38,184.11 is: 52,719.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,119.21 : 84,385.76 = 38,184.11 : x
  2. Step 2: Convert to fraction form
    61,119.21/84,385.76 = 38,184.11/x
  3. Step 3: Cross multiply
    61,119.21x = 84,385.76 × 38,184.11
  4. Step 4: Simplify right side
    61,119.21x = 3,222,195,142.27
  5. Step 5: Solve for x
    x = 3,222,195,142.27/61,119.21
  6. Step 6: Final answer
    x = 52,719.84

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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.