Home / 36,046.32-54,020.10-20,258.90

Finding the Fourth Proportional to 36,046.32, 54,020.10 and 20,258.90

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Solution

The fourth proportional to 36,046.32, 54,020.10 and 20,258.90 is: 30,360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,046.32 : 54,020.10 = 20,258.90 : x
  2. Step 2: Convert to fraction form
    36,046.32/54,020.10 = 20,258.90/x
  3. Step 3: Cross multiply
    36,046.32x = 54,020.10 × 20,258.90
  4. Step 4: Simplify right side
    36,046.32x = 1,094,387,803.89
  5. Step 5: Solve for x
    x = 1,094,387,803.89/36,046.32
  6. Step 6: Final answer
    x = 30,360.60

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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.