Home / 40,721.32-56,194.88-22,816.68

Finding the Fourth Proportional to 40,721.32, 56,194.88 and 22,816.68

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Solution

The fourth proportional to 40,721.32, 56,194.88 and 22,816.68 is: 31,486.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,721.32 : 56,194.88 = 22,816.68 : x
  2. Step 2: Convert to fraction form
    40,721.32/56,194.88 = 22,816.68/x
  3. Step 3: Cross multiply
    40,721.32x = 56,194.88 × 22,816.68
  4. Step 4: Simplify right side
    40,721.32x = 1,282,180,594.60
  5. Step 5: Solve for x
    x = 1,282,180,594.60/40,721.32
  6. Step 6: Final answer
    x = 31,486.71

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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.