Home / 33,031.28-45,581.64-18,691.76

Finding the Fourth Proportional to 33,031.28, 45,581.64 and 18,691.76

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Solution

The fourth proportional to 33,031.28, 45,581.64 and 18,691.76 is: 25,793.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,031.28 : 45,581.64 = 18,691.76 : x
  2. Step 2: Convert to fraction form
    33,031.28/45,581.64 = 18,691.76/x
  3. Step 3: Cross multiply
    33,031.28x = 45,581.64 × 18,691.76
  4. Step 4: Simplify right side
    33,031.28x = 852,001,075.29
  5. Step 5: Solve for x
    x = 852,001,075.29/33,031.28
  6. Step 6: Final answer
    x = 25,793.77

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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.