Home / 43,987.11-60,620.80-31,240.85

Finding the Fourth Proportional to 43,987.11, 60,620.80 and 31,240.85

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Solution

The fourth proportional to 43,987.11, 60,620.80 and 31,240.85 is: 43,054.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,987.11 : 60,620.80 = 31,240.85 : x
  2. Step 2: Convert to fraction form
    43,987.11/60,620.80 = 31,240.85/x
  3. Step 3: Cross multiply
    43,987.11x = 60,620.80 × 31,240.85
  4. Step 4: Simplify right side
    43,987.11x = 1,893,845,016.58
  5. Step 5: Solve for x
    x = 1,893,845,016.58/43,987.11
  6. Step 6: Final answer
    x = 43,054.55

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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.