Home / 34,272.14-47,301.72-20,125.76

Finding the Fourth Proportional to 34,272.14, 47,301.72 and 20,125.76

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Solution

The fourth proportional to 34,272.14, 47,301.72 and 20,125.76 is: 27,777.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,272.14 : 47,301.72 = 20,125.76 : x
  2. Step 2: Convert to fraction form
    34,272.14/47,301.72 = 20,125.76/x
  3. Step 3: Cross multiply
    34,272.14x = 47,301.72 × 20,125.76
  4. Step 4: Simplify right side
    34,272.14x = 951,983,064.31
  5. Step 5: Solve for x
    x = 951,983,064.31/34,272.14
  6. Step 6: Final answer
    x = 27,777.17

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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.