Home / 34,270.08-47,273.00-20,120.19

Finding the Fourth Proportional to 34,270.08, 47,273.00 and 20,120.19

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Solution

The fourth proportional to 34,270.08, 47,273.00 and 20,120.19 is: 27,754.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,270.08 : 47,273.00 = 20,120.19 : x
  2. Step 2: Convert to fraction form
    34,270.08/47,273.00 = 20,120.19/x
  3. Step 3: Cross multiply
    34,270.08x = 47,273.00 × 20,120.19
  4. Step 4: Simplify right side
    34,270.08x = 951,141,641.27
  5. Step 5: Solve for x
    x = 951,141,641.27/34,270.08
  6. Step 6: Final answer
    x = 27,754.29

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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.