Home / 57,832.06-86,756.73-18,390.46

Finding the Fourth Proportional to 57,832.06, 86,756.73 and 18,390.46

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Solution

The fourth proportional to 57,832.06, 86,756.73 and 18,390.46 is: 27,588.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,832.06 : 86,756.73 = 18,390.46 : x
  2. Step 2: Convert to fraction form
    57,832.06/86,756.73 = 18,390.46/x
  3. Step 3: Cross multiply
    57,832.06x = 86,756.73 × 18,390.46
  4. Step 4: Simplify right side
    57,832.06x = 1,595,495,647.06
  5. Step 5: Solve for x
    x = 1,595,495,647.06/57,832.06
  6. Step 6: Final answer
    x = 27,588.43

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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.