Home / 40,693.88-61,055.50-21,698.53

Finding the Fourth Proportional to 40,693.88, 61,055.50 and 21,698.53

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Solution

The fourth proportional to 40,693.88, 61,055.50 and 21,698.53 is: 32,555.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,693.88 : 61,055.50 = 21,698.53 : x
  2. Step 2: Convert to fraction form
    40,693.88/61,055.50 = 21,698.53/x
  3. Step 3: Cross multiply
    40,693.88x = 61,055.50 × 21,698.53
  4. Step 4: Simplify right side
    40,693.88x = 1,324,814,775.65
  5. Step 5: Solve for x
    x = 1,324,814,775.65/40,693.88
  6. Step 6: Final answer
    x = 32,555.62

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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.