Home / 43,240.65-64,743.72-22,420.41

Finding the Fourth Proportional to 43,240.65, 64,743.72 and 22,420.41

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Solution

The fourth proportional to 43,240.65, 64,743.72 and 22,420.41 is: 33,569.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,240.65 : 64,743.72 = 22,420.41 : x
  2. Step 2: Convert to fraction form
    43,240.65/64,743.72 = 22,420.41/x
  3. Step 3: Cross multiply
    43,240.65x = 64,743.72 × 22,420.41
  4. Step 4: Simplify right side
    43,240.65x = 1,451,580,747.33
  5. Step 5: Solve for x
    x = 1,451,580,747.33/43,240.65
  6. Step 6: Final answer
    x = 33,569.82

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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.