Home / 20,030.22-30,045.33-8,934.23

Finding the Fourth Proportional to 20,030.22, 30,045.33 and 8,934.23

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Solution

The fourth proportional to 20,030.22, 30,045.33 and 8,934.23 is: 13,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.22 : 30,045.33 = 8,934.23 : x
  2. Step 2: Convert to fraction form
    20,030.22/30,045.33 = 8,934.23/x
  3. Step 3: Cross multiply
    20,030.22x = 30,045.33 × 8,934.23
  4. Step 4: Simplify right side
    20,030.22x = 268,431,963.76
  5. Step 5: Solve for x
    x = 268,431,963.76/20,030.22
  6. Step 6: Final answer
    x = 13,401.35

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Double scale
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Similar ratio
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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.