Home / 42,157.19-58,067.82-29,387.54

Finding the Fourth Proportional to 42,157.19, 58,067.82 and 29,387.54

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Solution

The fourth proportional to 42,157.19, 58,067.82 and 29,387.54 is: 40,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,157.19 : 58,067.82 = 29,387.54 : x
  2. Step 2: Convert to fraction form
    42,157.19/58,067.82 = 29,387.54/x
  3. Step 3: Cross multiply
    42,157.19x = 58,067.82 × 29,387.54
  4. Step 4: Simplify right side
    42,157.19x = 1,706,470,528.13
  5. Step 5: Solve for x
    x = 1,706,470,528.13/42,157.19
  6. Step 6: Final answer
    x = 40,478.75

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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.