Home / 40,354.39-55,689.69-22,450.15

Finding the Fourth Proportional to 40,354.39, 55,689.69 and 22,450.15

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Solution

The fourth proportional to 40,354.39, 55,689.69 and 22,450.15 is: 30,981.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,354.39 : 55,689.69 = 22,450.15 : x
  2. Step 2: Convert to fraction form
    40,354.39/55,689.69 = 22,450.15/x
  3. Step 3: Cross multiply
    40,354.39x = 55,689.69 × 22,450.15
  4. Step 4: Simplify right side
    40,354.39x = 1,250,241,893.95
  5. Step 5: Solve for x
    x = 1,250,241,893.95/40,354.39
  6. Step 6: Final answer
    x = 30,981.56

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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.