Home / 37,751.81-52,099.65-20,757.60

Finding the Fourth Proportional to 37,751.81, 52,099.65 and 20,757.60

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Solution

The fourth proportional to 37,751.81, 52,099.65 and 20,757.60 is: 28,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,751.81 : 52,099.65 = 20,757.60 : x
  2. Step 2: Convert to fraction form
    37,751.81/52,099.65 = 20,757.60/x
  3. Step 3: Cross multiply
    37,751.81x = 52,099.65 × 20,757.60
  4. Step 4: Simplify right side
    37,751.81x = 1,081,463,694.84
  5. Step 5: Solve for x
    x = 1,081,463,694.84/37,751.81
  6. Step 6: Final answer
    x = 28,646.68

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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.