Home / 64,744.35-89,391.24-40,555.31

Finding the Fourth Proportional to 64,744.35, 89,391.24 and 40,555.31

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Solution

The fourth proportional to 64,744.35, 89,391.24 and 40,555.31 is: 55,993.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,744.35 : 89,391.24 = 40,555.31 : x
  2. Step 2: Convert to fraction form
    64,744.35/89,391.24 = 40,555.31/x
  3. Step 3: Cross multiply
    64,744.35x = 89,391.24 × 40,555.31
  4. Step 4: Simplify right side
    64,744.35x = 3,625,289,002.53
  5. Step 5: Solve for x
    x = 3,625,289,002.53/64,744.35
  6. Step 6: Final answer
    x = 55,993.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.