Home / 23,040.72-34,531.11-20,066.40

Finding the Fourth Proportional to 23,040.72, 34,531.11 and 20,066.40

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Solution

The fourth proportional to 23,040.72, 34,531.11 and 20,066.40 is: 30,073.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,040.72 : 34,531.11 = 20,066.40 : x
  2. Step 2: Convert to fraction form
    23,040.72/34,531.11 = 20,066.40/x
  3. Step 3: Cross multiply
    23,040.72x = 34,531.11 × 20,066.40
  4. Step 4: Simplify right side
    23,040.72x = 692,915,065.70
  5. Step 5: Solve for x
    x = 692,915,065.70/23,040.72
  6. Step 6: Final answer
    x = 30,073.50

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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.