Home / 21,341.71-32,082.68-19,800.34

Finding the Fourth Proportional to 21,341.71, 32,082.68 and 19,800.34

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Solution

The fourth proportional to 21,341.71, 32,082.68 and 19,800.34 is: 29,765.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,341.71 : 32,082.68 = 19,800.34 : x
  2. Step 2: Convert to fraction form
    21,341.71/32,082.68 = 19,800.34/x
  3. Step 3: Cross multiply
    21,341.71x = 32,082.68 × 19,800.34
  4. Step 4: Simplify right side
    21,341.71x = 635,247,972.11
  5. Step 5: Solve for x
    x = 635,247,972.11/21,341.71
  6. Step 6: Final answer
    x = 29,765.56

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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.