Home / 41,238.40-61,857.60-20,502.40

Finding the Fourth Proportional to 41,238.40, 61,857.60 and 20,502.40

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Solution

The fourth proportional to 41,238.40, 61,857.60 and 20,502.40 is: 30,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,238.40 : 61,857.60 = 20,502.40 : x
  2. Step 2: Convert to fraction form
    41,238.40/61,857.60 = 20,502.40/x
  3. Step 3: Cross multiply
    41,238.40x = 61,857.60 × 20,502.40
  4. Step 4: Simplify right side
    41,238.40x = 1,268,229,258.24
  5. Step 5: Solve for x
    x = 1,268,229,258.24/41,238.40
  6. Step 6: Final answer
    x = 30,753.60

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1.5x scale

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.