Home / 51,221.44-76,855.92-21,646.18

Finding the Fourth Proportional to 51,221.44, 76,855.92 and 21,646.18

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Solution

The fourth proportional to 51,221.44, 76,855.92 and 21,646.18 is: 32,479.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,221.44 : 76,855.92 = 21,646.18 : x
  2. Step 2: Convert to fraction form
    51,221.44/76,855.92 = 21,646.18/x
  3. Step 3: Cross multiply
    51,221.44x = 76,855.92 × 21,646.18
  4. Step 4: Simplify right side
    51,221.44x = 1,663,637,078.39
  5. Step 5: Solve for x
    x = 1,663,637,078.39/51,221.44
  6. Step 6: Final answer
    x = 32,479.31

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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.