Home / 45,587.20-68,323.20-22,163.20

Finding the Fourth Proportional to 45,587.20, 68,323.20 and 22,163.20

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Solution

The fourth proportional to 45,587.20, 68,323.20 and 22,163.20 is: 33,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,587.20 : 68,323.20 = 22,163.20 : x
  2. Step 2: Convert to fraction form
    45,587.20/68,323.20 = 22,163.20/x
  3. Step 3: Cross multiply
    45,587.20x = 68,323.20 × 22,163.20
  4. Step 4: Simplify right side
    45,587.20x = 1,514,260,746.24
  5. Step 5: Solve for x
    x = 1,514,260,746.24/45,587.20
  6. Step 6: Final answer
    x = 33,216.80

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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.