Home / 34,770.08-47,976.29-20,432.25

Finding the Fourth Proportional to 34,770.08, 47,976.29 and 20,432.25

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Solution

The fourth proportional to 34,770.08, 47,976.29 and 20,432.25 is: 28,192.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,770.08 : 47,976.29 = 20,432.25 : x
  2. Step 2: Convert to fraction form
    34,770.08/47,976.29 = 20,432.25/x
  3. Step 3: Cross multiply
    34,770.08x = 47,976.29 × 20,432.25
  4. Step 4: Simplify right side
    34,770.08x = 980,263,551.35
  5. Step 5: Solve for x
    x = 980,263,551.35/34,770.08
  6. Step 6: Final answer
    x = 28,192.73

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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.