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Finding the Fourth Proportional to 50,342.40, 75,522.71 and 20,743.77

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Solution

The fourth proportional to 50,342.40, 75,522.71 and 20,743.77 is: 31,119.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,342.40 : 75,522.71 = 20,743.77 : x
  2. Step 2: Convert to fraction form
    50,342.40/75,522.71 = 20,743.77/x
  3. Step 3: Cross multiply
    50,342.40x = 75,522.71 × 20,743.77
  4. Step 4: Simplify right side
    50,342.40x = 1,566,625,622.30
  5. Step 5: Solve for x
    x = 1,566,625,622.30/50,342.40
  6. Step 6: Final answer
    x = 31,119.41

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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.