Home / 34,302.11-47,321.88-20,148.57

Finding the Fourth Proportional to 34,302.11, 47,321.88 and 20,148.57

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Solution

The fourth proportional to 34,302.11, 47,321.88 and 20,148.57 is: 27,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,302.11 : 47,321.88 = 20,148.57 : x
  2. Step 2: Convert to fraction form
    34,302.11/47,321.88 = 20,148.57/x
  3. Step 3: Cross multiply
    34,302.11x = 47,321.88 × 20,148.57
  4. Step 4: Simplify right side
    34,302.11x = 953,468,211.71
  5. Step 5: Solve for x
    x = 953,468,211.71/34,302.11
  6. Step 6: Final answer
    x = 27,796.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.