Home / 34,910.19-48,179.61-20,574.47

Finding the Fourth Proportional to 34,910.19, 48,179.61 and 20,574.47

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Solution

The fourth proportional to 34,910.19, 48,179.61 and 20,574.47 is: 28,394.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,910.19 : 48,179.61 = 20,574.47 : x
  2. Step 2: Convert to fraction form
    34,910.19/48,179.61 = 20,574.47/x
  3. Step 3: Cross multiply
    34,910.19x = 48,179.61 × 20,574.47
  4. Step 4: Simplify right side
    34,910.19x = 991,270,061.01
  5. Step 5: Solve for x
    x = 991,270,061.01/34,910.19
  6. Step 6: Final answer
    x = 28,394.86

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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.