Home / 43,040.88-64,551.60-19,674

Finding the Fourth Proportional to 43,040.88, 64,551.60 and 19,674

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Solution

The fourth proportional to 43,040.88, 64,551.60 and 19,674 is: 29,506.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,040.88 : 64,551.60 = 19,674 : x
  2. Step 2: Convert to fraction form
    43,040.88/64,551.60 = 19,674/x
  3. Step 3: Cross multiply
    43,040.88x = 64,551.60 × 19,674
  4. Step 4: Simplify right side
    43,040.88x = 1,269,988,178.40
  5. Step 5: Solve for x
    x = 1,269,988,178.40/43,040.88
  6. Step 6: Final answer
    x = 29,506.56

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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.