Home / 23,008.10-34,512.15-20,237.90

Finding the Fourth Proportional to 23,008.10, 34,512.15 and 20,237.90

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Solution

The fourth proportional to 23,008.10, 34,512.15 and 20,237.90 is: 30,356.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,008.10 : 34,512.15 = 20,237.90 : x
  2. Step 2: Convert to fraction form
    23,008.10/34,512.15 = 20,237.90/x
  3. Step 3: Cross multiply
    23,008.10x = 34,512.15 × 20,237.90
  4. Step 4: Simplify right side
    23,008.10x = 698,453,440.49
  5. Step 5: Solve for x
    x = 698,453,440.49/23,008.10
  6. Step 6: Final answer
    x = 30,356.85

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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.