Home / 84,255.18-126,382.41-21,925.50

Finding the Fourth Proportional to 84,255.18, 126,382.41 and 21,925.50

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Solution

The fourth proportional to 84,255.18, 126,382.41 and 21,925.50 is: 32,888.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,255.18 : 126,382.41 = 21,925.50 : x
  2. Step 2: Convert to fraction form
    84,255.18/126,382.41 = 21,925.50/x
  3. Step 3: Cross multiply
    84,255.18x = 126,382.41 × 21,925.50
  4. Step 4: Simplify right side
    84,255.18x = 2,770,997,530.46
  5. Step 5: Solve for x
    x = 2,770,997,530.46/84,255.18
  6. Step 6: Final answer
    x = 32,888.16

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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.