Home / 43,409.05-65,133.83-15,350.36

Finding the Fourth Proportional to 43,409.05, 65,133.83 and 15,350.36

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Solution

The fourth proportional to 43,409.05, 65,133.83 and 15,350.36 is: 23,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,409.05 : 65,133.83 = 15,350.36 : x
  2. Step 2: Convert to fraction form
    43,409.05/65,133.83 = 15,350.36/x
  3. Step 3: Cross multiply
    43,409.05x = 65,133.83 × 15,350.36
  4. Step 4: Simplify right side
    43,409.05x = 999,827,451.39
  5. Step 5: Solve for x
    x = 999,827,451.39/43,409.05
  6. Step 6: Final answer
    x = 23,032.70

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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.