Home / 53,659.67-80,471.28-18,591.14

Finding the Fourth Proportional to 53,659.67, 80,471.28 and 18,591.14

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Solution

The fourth proportional to 53,659.67, 80,471.28 and 18,591.14 is: 27,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,659.67 : 80,471.28 = 18,591.14 : x
  2. Step 2: Convert to fraction form
    53,659.67/80,471.28 = 18,591.14/x
  3. Step 3: Cross multiply
    53,659.67x = 80,471.28 × 18,591.14
  4. Step 4: Simplify right side
    53,659.67x = 1,496,052,832.46
  5. Step 5: Solve for x
    x = 1,496,052,832.46/53,659.67
  6. Step 6: Final answer
    x = 27,880.40

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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.