Home / 51,064.35-76,626.51-21,479.91

Finding the Fourth Proportional to 51,064.35, 76,626.51 and 21,479.91

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Solution

The fourth proportional to 51,064.35, 76,626.51 and 21,479.91 is: 32,232.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,064.35 : 76,626.51 = 21,479.91 : x
  2. Step 2: Convert to fraction form
    51,064.35/76,626.51 = 21,479.91/x
  3. Step 3: Cross multiply
    51,064.35x = 76,626.51 × 21,479.91
  4. Step 4: Simplify right side
    51,064.35x = 1,645,930,538.41
  5. Step 5: Solve for x
    x = 1,645,930,538.41/51,064.35
  6. Step 6: Final answer
    x = 32,232.48

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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.