Home / 40,813.95-61,239.75-18,634.12

Finding the Fourth Proportional to 40,813.95, 61,239.75 and 18,634.12

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Solution

The fourth proportional to 40,813.95, 61,239.75 and 18,634.12 is: 27,959.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,813.95 : 61,239.75 = 18,634.12 : x
  2. Step 2: Convert to fraction form
    40,813.95/61,239.75 = 18,634.12/x
  3. Step 3: Cross multiply
    40,813.95x = 61,239.75 × 18,634.12
  4. Step 4: Simplify right side
    40,813.95x = 1,141,148,850.27
  5. Step 5: Solve for x
    x = 1,141,148,850.27/40,813.95
  6. Step 6: Final answer
    x = 27,959.78

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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.