Home / 52,891.20-72,990.60-29,017.44

Finding the Fourth Proportional to 52,891.20, 72,990.60 and 29,017.44

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Solution

The fourth proportional to 52,891.20, 72,990.60 and 29,017.44 is: 40,044.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,891.20 : 72,990.60 = 29,017.44 : x
  2. Step 2: Convert to fraction form
    52,891.20/72,990.60 = 29,017.44/x
  3. Step 3: Cross multiply
    52,891.20x = 72,990.60 × 29,017.44
  4. Step 4: Simplify right side
    52,891.20x = 2,118,000,356.06
  5. Step 5: Solve for x
    x = 2,118,000,356.06/52,891.20
  6. Step 6: Final answer
    x = 40,044.48

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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.