Home / 52,190.97-72,023.70-28,317.84

Finding the Fourth Proportional to 52,190.97, 72,023.70 and 28,317.84

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Solution

The fourth proportional to 52,190.97, 72,023.70 and 28,317.84 is: 39,078.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,190.97 : 72,023.70 = 28,317.84 : x
  2. Step 2: Convert to fraction form
    52,190.97/72,023.70 = 28,317.84/x
  3. Step 3: Cross multiply
    52,190.97x = 72,023.70 × 28,317.84
  4. Step 4: Simplify right side
    52,190.97x = 2,039,555,612.81
  5. Step 5: Solve for x
    x = 2,039,555,612.81/52,190.97
  6. Step 6: Final answer
    x = 39,078.71

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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.