Home / 32,122.32-44,341.68-21,218.88

Finding the Fourth Proportional to 32,122.32, 44,341.68 and 21,218.88

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Solution

The fourth proportional to 32,122.32, 44,341.68 and 21,218.88 is: 29,290.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,122.32 : 44,341.68 = 21,218.88 : x
  2. Step 2: Convert to fraction form
    32,122.32/44,341.68 = 21,218.88/x
  3. Step 3: Cross multiply
    32,122.32x = 44,341.68 × 21,218.88
  4. Step 4: Simplify right side
    32,122.32x = 940,880,786.92
  5. Step 5: Solve for x
    x = 940,880,786.92/32,122.32
  6. Step 6: Final answer
    x = 29,290.56

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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.