Home / 23,040.30-34,560.45-20,999.10

Finding the Fourth Proportional to 23,040.30, 34,560.45 and 20,999.10

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Solution

The fourth proportional to 23,040.30, 34,560.45 and 20,999.10 is: 31,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,040.30 : 34,560.45 = 20,999.10 : x
  2. Step 2: Convert to fraction form
    23,040.30/34,560.45 = 20,999.10/x
  3. Step 3: Cross multiply
    23,040.30x = 34,560.45 × 20,999.10
  4. Step 4: Simplify right side
    23,040.30x = 725,738,345.60
  5. Step 5: Solve for x
    x = 725,738,345.60/23,040.30
  6. Step 6: Final answer
    x = 31,498.65

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Similar ratio
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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.