Home / 43,560.18-65,369.40-18,606.06

Finding the Fourth Proportional to 43,560.18, 65,369.40 and 18,606.06

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Solution

The fourth proportional to 43,560.18, 65,369.40 and 18,606.06 is: 27,921.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,560.18 : 65,369.40 = 18,606.06 : x
  2. Step 2: Convert to fraction form
    43,560.18/65,369.40 = 18,606.06/x
  3. Step 3: Cross multiply
    43,560.18x = 65,369.40 × 18,606.06
  4. Step 4: Simplify right side
    43,560.18x = 1,216,266,978.56
  5. Step 5: Solve for x
    x = 1,216,266,978.56/43,560.18
  6. Step 6: Final answer
    x = 27,921.53

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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.