Home / 32,981.36-45,519.17-20,882.97

Finding the Fourth Proportional to 32,981.36, 45,519.17 and 20,882.97

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Solution

The fourth proportional to 32,981.36, 45,519.17 and 20,882.97 is: 28,821.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,981.36 : 45,519.17 = 20,882.97 : x
  2. Step 2: Convert to fraction form
    32,981.36/45,519.17 = 20,882.97/x
  3. Step 3: Cross multiply
    32,981.36x = 45,519.17 × 20,882.97
  4. Step 4: Simplify right side
    32,981.36x = 950,575,409.17
  5. Step 5: Solve for x
    x = 950,575,409.17/32,981.36
  6. Step 6: Final answer
    x = 28,821.59

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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.