Home / 43,451.90-59,932.64-39,878.38

Finding the Fourth Proportional to 43,451.90, 59,932.64 and 39,878.38

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Solution

The fourth proportional to 43,451.90, 59,932.64 and 39,878.38 is: 55,003.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,451.90 : 59,932.64 = 39,878.38 : x
  2. Step 2: Convert to fraction form
    43,451.90/59,932.64 = 39,878.38/x
  3. Step 3: Cross multiply
    43,451.90x = 59,932.64 × 39,878.38
  4. Step 4: Simplify right side
    43,451.90x = 2,390,016,292.66
  5. Step 5: Solve for x
    x = 2,390,016,292.66/43,451.90
  6. Step 6: Final answer
    x = 55,003.72

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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.