Home / 33,139.18-45,731.48-18,031.33

Finding the Fourth Proportional to 33,139.18, 45,731.48 and 18,031.33

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Solution

The fourth proportional to 33,139.18, 45,731.48 and 18,031.33 is: 24,882.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,139.18 : 45,731.48 = 18,031.33 : x
  2. Step 2: Convert to fraction form
    33,139.18/45,731.48 = 18,031.33/x
  3. Step 3: Cross multiply
    33,139.18x = 45,731.48 × 18,031.33
  4. Step 4: Simplify right side
    33,139.18x = 824,599,407.27
  5. Step 5: Solve for x
    x = 824,599,407.27/33,139.18
  6. Step 6: Final answer
    x = 24,882.92

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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.