Home / 34,378.38-47,437.92-20,944.76

Finding the Fourth Proportional to 34,378.38, 47,437.92 and 20,944.76

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Solution

The fourth proportional to 34,378.38, 47,437.92 and 20,944.76 is: 28,901.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,378.38 : 47,437.92 = 20,944.76 : x
  2. Step 2: Convert to fraction form
    34,378.38/47,437.92 = 20,944.76/x
  3. Step 3: Cross multiply
    34,378.38x = 47,437.92 × 20,944.76
  4. Step 4: Simplify right side
    34,378.38x = 993,575,849.30
  5. Step 5: Solve for x
    x = 993,575,849.30/34,378.38
  6. Step 6: Final answer
    x = 28,901.18

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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.