Home / 39,782.70-54,884.59-22,777.86

Finding the Fourth Proportional to 39,782.70, 54,884.59 and 22,777.86

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Solution

The fourth proportional to 39,782.70, 54,884.59 and 22,777.86 is: 31,424.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,782.70 : 54,884.59 = 22,777.86 : x
  2. Step 2: Convert to fraction form
    39,782.70/54,884.59 = 22,777.86/x
  3. Step 3: Cross multiply
    39,782.70x = 54,884.59 × 22,777.86
  4. Step 4: Simplify right side
    39,782.70x = 1,250,153,535.65
  5. Step 5: Solve for x
    x = 1,250,153,535.65/39,782.70
  6. Step 6: Final answer
    x = 31,424.55

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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.