Home / 32,213.76-44,480.16-20,888.64

Finding the Fourth Proportional to 32,213.76, 44,480.16 and 20,888.64

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Solution

The fourth proportional to 32,213.76, 44,480.16 and 20,888.64 is: 28,842.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,213.76 : 44,480.16 = 20,888.64 : x
  2. Step 2: Convert to fraction form
    32,213.76/44,480.16 = 20,888.64/x
  3. Step 3: Cross multiply
    32,213.76x = 44,480.16 × 20,888.64
  4. Step 4: Simplify right side
    32,213.76x = 929,130,049.38
  5. Step 5: Solve for x
    x = 929,130,049.38/32,213.76
  6. Step 6: Final answer
    x = 28,842.65

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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.