Home / 32,921.28-45,428.06-18,579.83

Finding the Fourth Proportional to 32,921.28, 45,428.06 and 18,579.83

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Solution

The fourth proportional to 32,921.28, 45,428.06 and 18,579.83 is: 25,638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,921.28 : 45,428.06 = 18,579.83 : x
  2. Step 2: Convert to fraction form
    32,921.28/45,428.06 = 18,579.83/x
  3. Step 3: Cross multiply
    32,921.28x = 45,428.06 × 18,579.83
  4. Step 4: Simplify right side
    32,921.28x = 844,045,451.34
  5. Step 5: Solve for x
    x = 844,045,451.34/32,921.28
  6. Step 6: Final answer
    x = 25,638.29

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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.