Home / 36,486.60-50,354.10-20,572.53

Finding the Fourth Proportional to 36,486.60, 50,354.10 and 20,572.53

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Solution

The fourth proportional to 36,486.60, 50,354.10 and 20,572.53 is: 28,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,486.60 : 50,354.10 = 20,572.53 : x
  2. Step 2: Convert to fraction form
    36,486.60/50,354.10 = 20,572.53/x
  3. Step 3: Cross multiply
    36,486.60x = 50,354.10 × 20,572.53
  4. Step 4: Simplify right side
    36,486.60x = 1,035,911,232.87
  5. Step 5: Solve for x
    x = 1,035,911,232.87/36,486.60
  6. Step 6: Final answer
    x = 28,391.55

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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.