Home / 23,108.67-34,495.80-20,306.13

Finding the Fourth Proportional to 23,108.67, 34,495.80 and 20,306.13

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Solution

The fourth proportional to 23,108.67, 34,495.80 and 20,306.13 is: 30,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,108.67 : 34,495.80 = 20,306.13 : x
  2. Step 2: Convert to fraction form
    23,108.67/34,495.80 = 20,306.13/x
  3. Step 3: Cross multiply
    23,108.67x = 34,495.80 × 20,306.13
  4. Step 4: Simplify right side
    23,108.67x = 700,476,199.25
  5. Step 5: Solve for x
    x = 700,476,199.25/23,108.67
  6. Step 6: Final answer
    x = 30,312.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.