Home / 34,260.14-47,285.16-20,113.76

Finding the Fourth Proportional to 34,260.14, 47,285.16 and 20,113.76

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Solution

The fourth proportional to 34,260.14, 47,285.16 and 20,113.76 is: 27,760.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,260.14 : 47,285.16 = 20,113.76 : x
  2. Step 2: Convert to fraction form
    34,260.14/47,285.16 = 20,113.76/x
  3. Step 3: Cross multiply
    34,260.14x = 47,285.16 × 20,113.76
  4. Step 4: Simplify right side
    34,260.14x = 951,082,359.80
  5. Step 5: Solve for x
    x = 951,082,359.80/34,260.14
  6. Step 6: Final answer
    x = 27,760.61

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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.