Home / 38,112.95-52,591.60-21,112.94

Finding the Fourth Proportional to 38,112.95, 52,591.60 and 21,112.94

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Solution

The fourth proportional to 38,112.95, 52,591.60 and 21,112.94 is: 29,133.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,112.95 : 52,591.60 = 21,112.94 : x
  2. Step 2: Convert to fraction form
    38,112.95/52,591.60 = 21,112.94/x
  3. Step 3: Cross multiply
    38,112.95x = 52,591.60 × 21,112.94
  4. Step 4: Simplify right side
    38,112.95x = 1,110,363,295.30
  5. Step 5: Solve for x
    x = 1,110,363,295.30/38,112.95
  6. Step 6: Final answer
    x = 29,133.49

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Double scale
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1.5x scale

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.