Home / 57,612.28-86,418.44-18,173.40

Finding the Fourth Proportional to 57,612.28, 86,418.44 and 18,173.40

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Solution

The fourth proportional to 57,612.28, 86,418.44 and 18,173.40 is: 27,260.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,612.28 : 86,418.44 = 18,173.40 : x
  2. Step 2: Convert to fraction form
    57,612.28/86,418.44 = 18,173.40/x
  3. Step 3: Cross multiply
    57,612.28x = 86,418.44 × 18,173.40
  4. Step 4: Simplify right side
    57,612.28x = 1,570,516,877.50
  5. Step 5: Solve for x
    x = 1,570,516,877.50/57,612.28
  6. Step 6: Final answer
    x = 27,260.11

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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.