Home / 34,206.01-47,191.30-20,772.19

Finding the Fourth Proportional to 34,206.01, 47,191.30 and 20,772.19

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Solution

The fourth proportional to 34,206.01, 47,191.30 and 20,772.19 is: 28,657.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,206.01 : 47,191.30 = 20,772.19 : x
  2. Step 2: Convert to fraction form
    34,206.01/47,191.30 = 20,772.19/x
  3. Step 3: Cross multiply
    34,206.01x = 47,191.30 × 20,772.19
  4. Step 4: Simplify right side
    34,206.01x = 980,266,649.95
  5. Step 5: Solve for x
    x = 980,266,649.95/34,206.01
  6. Step 6: Final answer
    x = 28,657.73

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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.