Home / 52,190.39-72,022.43-28,316.55

Finding the Fourth Proportional to 52,190.39, 72,022.43 and 28,316.55

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Solution

The fourth proportional to 52,190.39, 72,022.43 and 28,316.55 is: 39,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,190.39 : 72,022.43 = 28,316.55 : x
  2. Step 2: Convert to fraction form
    52,190.39/72,022.43 = 28,316.55/x
  3. Step 3: Cross multiply
    52,190.39x = 72,022.43 × 28,316.55
  4. Step 4: Simplify right side
    52,190.39x = 2,039,427,081.09
  5. Step 5: Solve for x
    x = 2,039,427,081.09/52,190.39
  6. Step 6: Final answer
    x = 39,076.68

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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.