Home / 20,348.22-30,569.24-19,507.49

Finding the Fourth Proportional to 20,348.22, 30,569.24 and 19,507.49

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Solution

The fourth proportional to 20,348.22, 30,569.24 and 19,507.49 is: 29,306.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348.22 : 30,569.24 = 19,507.49 : x
  2. Step 2: Convert to fraction form
    20,348.22/30,569.24 = 19,507.49/x
  3. Step 3: Cross multiply
    20,348.22x = 30,569.24 × 19,507.49
  4. Step 4: Simplify right side
    20,348.22x = 596,329,143.61
  5. Step 5: Solve for x
    x = 596,329,143.61/20,348.22
  6. Step 6: Final answer
    x = 29,306.21

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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.