Home / 32,924.28-45,438.16-18,778.20

Finding the Fourth Proportional to 32,924.28, 45,438.16 and 18,778.20

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Solution

The fourth proportional to 32,924.28, 45,438.16 and 18,778.20 is: 25,915.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,924.28 : 45,438.16 = 18,778.20 : x
  2. Step 2: Convert to fraction form
    32,924.28/45,438.16 = 18,778.20/x
  3. Step 3: Cross multiply
    32,924.28x = 45,438.16 × 18,778.20
  4. Step 4: Simplify right side
    32,924.28x = 853,246,856.11
  5. Step 5: Solve for x
    x = 853,246,856.11/32,924.28
  6. Step 6: Final answer
    x = 25,915.43

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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.