Home / 34,572.60-51,728.04-20,540.16

Finding the Fourth Proportional to 34,572.60, 51,728.04 and 20,540.16

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Solution

The fourth proportional to 34,572.60, 51,728.04 and 20,540.16 is: 30,732.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,572.60 : 51,728.04 = 20,540.16 : x
  2. Step 2: Convert to fraction form
    34,572.60/51,728.04 = 20,540.16/x
  3. Step 3: Cross multiply
    34,572.60x = 51,728.04 × 20,540.16
  4. Step 4: Simplify right side
    34,572.60x = 1,062,502,218.09
  5. Step 5: Solve for x
    x = 1,062,502,218.09/34,572.60
  6. Step 6: Final answer
    x = 30,732.49

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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.