Home / 23,123.13-34,617.11-20,907.12

Finding the Fourth Proportional to 23,123.13, 34,617.11 and 20,907.12

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Solution

The fourth proportional to 23,123.13, 34,617.11 and 20,907.12 is: 31,299.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,123.13 : 34,617.11 = 20,907.12 : x
  2. Step 2: Convert to fraction form
    23,123.13/34,617.11 = 20,907.12/x
  3. Step 3: Cross multiply
    23,123.13x = 34,617.11 × 20,907.12
  4. Step 4: Simplify right side
    23,123.13x = 723,743,968.29
  5. Step 5: Solve for x
    x = 723,743,968.29/23,123.13
  6. Step 6: Final answer
    x = 31,299.57

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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.