Home / 32,882.79-45,381.03-20,135.91

Finding the Fourth Proportional to 32,882.79, 45,381.03 and 20,135.91

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Solution

The fourth proportional to 32,882.79, 45,381.03 and 20,135.91 is: 27,789.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,882.79 : 45,381.03 = 20,135.91 : x
  2. Step 2: Convert to fraction form
    32,882.79/45,381.03 = 20,135.91/x
  3. Step 3: Cross multiply
    32,882.79x = 45,381.03 × 20,135.91
  4. Step 4: Simplify right side
    32,882.79x = 913,788,335.79
  5. Step 5: Solve for x
    x = 913,788,335.79/32,882.79
  6. Step 6: Final answer
    x = 27,789.26

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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.