Home / 40,418.73-55,779.54-22,513.71

Finding the Fourth Proportional to 40,418.73, 55,779.54 and 22,513.71

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Solution

The fourth proportional to 40,418.73, 55,779.54 and 22,513.71 is: 31,069.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,418.73 : 55,779.54 = 22,513.71 : x
  2. Step 2: Convert to fraction form
    40,418.73/55,779.54 = 22,513.71/x
  3. Step 3: Cross multiply
    40,418.73x = 55,779.54 × 22,513.71
  4. Step 4: Simplify right side
    40,418.73x = 1,255,804,387.49
  5. Step 5: Solve for x
    x = 1,255,804,387.49/40,418.73
  6. Step 6: Final answer
    x = 31,069.86

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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.