Home / 43,690.05-65,535.23-13,295.48

Finding the Fourth Proportional to 43,690.05, 65,535.23 and 13,295.48

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Solution

The fourth proportional to 43,690.05, 65,535.23 and 13,295.48 is: 19,943.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,690.05 : 65,535.23 = 13,295.48 : x
  2. Step 2: Convert to fraction form
    43,690.05/65,535.23 = 13,295.48/x
  3. Step 3: Cross multiply
    43,690.05x = 65,535.23 × 13,295.48
  4. Step 4: Simplify right side
    43,690.05x = 871,322,339.17
  5. Step 5: Solve for x
    x = 871,322,339.17/43,690.05
  6. Step 6: Final answer
    x = 19,943.27

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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.