Home / 57,798.06-86,700.09-18,358.26

Finding the Fourth Proportional to 57,798.06, 86,700.09 and 18,358.26

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Solution

The fourth proportional to 57,798.06, 86,700.09 and 18,358.26 is: 27,538.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,798.06 : 86,700.09 = 18,358.26 : x
  2. Step 2: Convert to fraction form
    57,798.06/86,700.09 = 18,358.26/x
  3. Step 3: Cross multiply
    57,798.06x = 86,700.09 × 18,358.26
  4. Step 4: Simplify right side
    57,798.06x = 1,591,662,794.24
  5. Step 5: Solve for x
    x = 1,591,662,794.24/57,798.06
  6. Step 6: Final answer
    x = 27,538.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.