Home / 40,340.25-55,670.91-22,191.74

Finding the Fourth Proportional to 40,340.25, 55,670.91 and 22,191.74

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Solution

The fourth proportional to 40,340.25, 55,670.91 and 22,191.74 is: 30,625.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,340.25 : 55,670.91 = 22,191.74 : x
  2. Step 2: Convert to fraction form
    40,340.25/55,670.91 = 22,191.74/x
  3. Step 3: Cross multiply
    40,340.25x = 55,670.91 × 22,191.74
  4. Step 4: Simplify right side
    40,340.25x = 1,235,434,081.93
  5. Step 5: Solve for x
    x = 1,235,434,081.93/40,340.25
  6. Step 6: Final answer
    x = 30,625.35

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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.