Home / 36,431.19-50,274.09-20,514.69

Finding the Fourth Proportional to 36,431.19, 50,274.09 and 20,514.69

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Solution

The fourth proportional to 36,431.19, 50,274.09 and 20,514.69 is: 28,309.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,431.19 : 50,274.09 = 20,514.69 : x
  2. Step 2: Convert to fraction form
    36,431.19/50,274.09 = 20,514.69/x
  3. Step 3: Cross multiply
    36,431.19x = 50,274.09 × 20,514.69
  4. Step 4: Simplify right side
    36,431.19x = 1,031,357,371.38
  5. Step 5: Solve for x
    x = 1,031,357,371.38/36,431.19
  6. Step 6: Final answer
    x = 28,309.74

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Half scale
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Double scale
Find fourth proportional to 36,432.19, 50,275.47 and 20,515.69
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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.