Home / 36,479.38-54,726.36-11,521.76

Finding the Fourth Proportional to 36,479.38, 54,726.36 and 11,521.76

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Solution

The fourth proportional to 36,479.38, 54,726.36 and 11,521.76 is: 17,284.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,479.38 : 54,726.36 = 11,521.76 : x
  2. Step 2: Convert to fraction form
    36,479.38/54,726.36 = 11,521.76/x
  3. Step 3: Cross multiply
    36,479.38x = 54,726.36 × 11,521.76
  4. Step 4: Simplify right side
    36,479.38x = 630,543,985.59
  5. Step 5: Solve for x
    x = 630,543,985.59/36,479.38
  6. Step 6: Final answer
    x = 17,284.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.