Home / 42,517.80-58,755.48-31,888.98

Finding the Fourth Proportional to 42,517.80, 58,755.48 and 31,888.98

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Solution

The fourth proportional to 42,517.80, 58,755.48 and 31,888.98 is: 44,067.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,517.80 : 58,755.48 = 31,888.98 : x
  2. Step 2: Convert to fraction form
    42,517.80/58,755.48 = 31,888.98/x
  3. Step 3: Cross multiply
    42,517.80x = 58,755.48 × 31,888.98
  4. Step 4: Simplify right side
    42,517.80x = 1,873,651,873.39
  5. Step 5: Solve for x
    x = 1,873,651,873.39/42,517.80
  6. Step 6: Final answer
    x = 44,067.48

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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.