Home / 36,040.32-49,732.80-20,123.52

Finding the Fourth Proportional to 36,040.32, 49,732.80 and 20,123.52

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Solution

The fourth proportional to 36,040.32, 49,732.80 and 20,123.52 is: 27,768.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,040.32 : 49,732.80 = 20,123.52 : x
  2. Step 2: Convert to fraction form
    36,040.32/49,732.80 = 20,123.52/x
  3. Step 3: Cross multiply
    36,040.32x = 49,732.80 × 20,123.52
  4. Step 4: Simplify right side
    36,040.32x = 1,000,798,995.46
  5. Step 5: Solve for x
    x = 1,000,798,995.46/36,040.32
  6. Step 6: Final answer
    x = 27,768.87

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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.