Home / 32,881.28-49,338.12-20,398.10

Finding the Fourth Proportional to 32,881.28, 49,338.12 and 20,398.10

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Solution

The fourth proportional to 32,881.28, 49,338.12 and 20,398.10 is: 30,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,881.28 : 49,338.12 = 20,398.10 : x
  2. Step 2: Convert to fraction form
    32,881.28/49,338.12 = 20,398.10/x
  3. Step 3: Cross multiply
    32,881.28x = 49,338.12 × 20,398.10
  4. Step 4: Simplify right side
    32,881.28x = 1,006,403,905.57
  5. Step 5: Solve for x
    x = 1,006,403,905.57/32,881.28
  6. Step 6: Final answer
    x = 30,607.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.