Home / 65,122.38-89,883.54-36,837.18

Finding the Fourth Proportional to 65,122.38, 89,883.54 and 36,837.18

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Solution

The fourth proportional to 65,122.38, 89,883.54 and 36,837.18 is: 50,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,122.38 : 89,883.54 = 36,837.18 : x
  2. Step 2: Convert to fraction form
    65,122.38/89,883.54 = 36,837.18/x
  3. Step 3: Cross multiply
    65,122.38x = 89,883.54 × 36,837.18
  4. Step 4: Simplify right side
    65,122.38x = 3,311,056,142.02
  5. Step 5: Solve for x
    x = 3,311,056,142.02/65,122.38
  6. Step 6: Final answer
    x = 50,843.60

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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.