Home / 34,270.06-47,298.15-20,120.17

Finding the Fourth Proportional to 34,270.06, 47,298.15 and 20,120.17

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Solution

The fourth proportional to 34,270.06, 47,298.15 and 20,120.17 is: 27,769.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,270.06 : 47,298.15 = 20,120.17 : x
  2. Step 2: Convert to fraction form
    34,270.06/47,298.15 = 20,120.17/x
  3. Step 3: Cross multiply
    34,270.06x = 47,298.15 × 20,120.17
  4. Step 4: Simplify right side
    34,270.06x = 951,646,818.69
  5. Step 5: Solve for x
    x = 951,646,818.69/34,270.06
  6. Step 6: Final answer
    x = 27,769.04

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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.