Home / 29,135.60-43,703.40-17,442.80

Finding the Fourth Proportional to 29,135.60, 43,703.40 and 17,442.80

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Solution

The fourth proportional to 29,135.60, 43,703.40 and 17,442.80 is: 26,164.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,135.60 : 43,703.40 = 17,442.80 : x
  2. Step 2: Convert to fraction form
    29,135.60/43,703.40 = 17,442.80/x
  3. Step 3: Cross multiply
    29,135.60x = 43,703.40 × 17,442.80
  4. Step 4: Simplify right side
    29,135.60x = 762,309,665.52
  5. Step 5: Solve for x
    x = 762,309,665.52/29,135.60
  6. Step 6: Final answer
    x = 26,164.20

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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.