Home / 34,474.28-47,572.88-20,134.84

Finding the Fourth Proportional to 34,474.28, 47,572.88 and 20,134.84

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Solution

The fourth proportional to 34,474.28, 47,572.88 and 20,134.84 is: 27,785.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,474.28 : 47,572.88 = 20,134.84 : x
  2. Step 2: Convert to fraction form
    34,474.28/47,572.88 = 20,134.84/x
  3. Step 3: Cross multiply
    34,474.28x = 47,572.88 × 20,134.84
  4. Step 4: Simplify right side
    34,474.28x = 957,872,327.14
  5. Step 5: Solve for x
    x = 957,872,327.14/34,474.28
  6. Step 6: Final answer
    x = 27,785.13

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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.