Home / 47,448.78-65,478.96-27,309.60

Finding the Fourth Proportional to 47,448.78, 65,478.96 and 27,309.60

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Solution

The fourth proportional to 47,448.78, 65,478.96 and 27,309.60 is: 37,687.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,448.78 : 65,478.96 = 27,309.60 : x
  2. Step 2: Convert to fraction form
    47,448.78/65,478.96 = 27,309.60/x
  3. Step 3: Cross multiply
    47,448.78x = 65,478.96 × 27,309.60
  4. Step 4: Simplify right side
    47,448.78x = 1,788,204,206.02
  5. Step 5: Solve for x
    x = 1,788,204,206.02/47,448.78
  6. Step 6: Final answer
    x = 37,687.04

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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.