Home / 33,138.56-45,731.76-18,031.52

Finding the Fourth Proportional to 33,138.56, 45,731.76 and 18,031.52

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Solution

The fourth proportional to 33,138.56, 45,731.76 and 18,031.52 is: 24,883.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,138.56 : 45,731.76 = 18,031.52 : x
  2. Step 2: Convert to fraction form
    33,138.56/45,731.76 = 18,031.52/x
  3. Step 3: Cross multiply
    33,138.56x = 45,731.76 × 18,031.52
  4. Step 4: Simplify right side
    33,138.56x = 824,613,145.08
  5. Step 5: Solve for x
    x = 824,613,145.08/33,138.56
  6. Step 6: Final answer
    x = 24,883.80

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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.