Home / 47,344.80-71,017.20-17,763.60

Finding the Fourth Proportional to 47,344.80, 71,017.20 and 17,763.60

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Solution

The fourth proportional to 47,344.80, 71,017.20 and 17,763.60 is: 26,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,344.80 : 71,017.20 = 17,763.60 : x
  2. Step 2: Convert to fraction form
    47,344.80/71,017.20 = 17,763.60/x
  3. Step 3: Cross multiply
    47,344.80x = 71,017.20 × 17,763.60
  4. Step 4: Simplify right side
    47,344.80x = 1,261,521,133.92
  5. Step 5: Solve for x
    x = 1,261,521,133.92/47,344.80
  6. Step 6: Final answer
    x = 26,645.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.