Home / 34,272.08-47,275.76-20,122.19

Finding the Fourth Proportional to 34,272.08, 47,275.76 and 20,122.19

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Solution

The fourth proportional to 34,272.08, 47,275.76 and 20,122.19 is: 27,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,272.08 : 47,275.76 = 20,122.19 : x
  2. Step 2: Convert to fraction form
    34,272.08/47,275.76 = 20,122.19/x
  3. Step 3: Cross multiply
    34,272.08x = 47,275.76 × 20,122.19
  4. Step 4: Simplify right side
    34,272.08x = 951,291,724.50
  5. Step 5: Solve for x
    x = 951,291,724.50/34,272.08
  6. Step 6: Final answer
    x = 27,757.05

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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.