Home / 49,433.72-68,223.44-28,216.20

Finding the Fourth Proportional to 49,433.72, 68,223.44 and 28,216.20

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Solution

The fourth proportional to 49,433.72, 68,223.44 and 28,216.20 is: 38,941.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,433.72 : 68,223.44 = 28,216.20 : x
  2. Step 2: Convert to fraction form
    49,433.72/68,223.44 = 28,216.20/x
  3. Step 3: Cross multiply
    49,433.72x = 68,223.44 × 28,216.20
  4. Step 4: Simplify right side
    49,433.72x = 1,925,006,227.73
  5. Step 5: Solve for x
    x = 1,925,006,227.73/49,433.72
  6. Step 6: Final answer
    x = 38,941.16

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Half scale
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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.