Home / 57,728.10-86,594.85-18,288.30

Finding the Fourth Proportional to 57,728.10, 86,594.85 and 18,288.30

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Solution

The fourth proportional to 57,728.10, 86,594.85 and 18,288.30 is: 27,433.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,728.10 : 86,594.85 = 18,288.30 : x
  2. Step 2: Convert to fraction form
    57,728.10/86,594.85 = 18,288.30/x
  3. Step 3: Cross multiply
    57,728.10x = 86,594.85 × 18,288.30
  4. Step 4: Simplify right side
    57,728.10x = 1,583,672,595.26
  5. Step 5: Solve for x
    x = 1,583,672,595.26/57,728.10
  6. Step 6: Final answer
    x = 27,433.31

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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.