Home / 39,782.31-54,899.52-22,792.05

Finding the Fourth Proportional to 39,782.31, 54,899.52 and 22,792.05

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Solution

The fourth proportional to 39,782.31, 54,899.52 and 22,792.05 is: 31,452.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,782.31 : 54,899.52 = 22,792.05 : x
  2. Step 2: Convert to fraction form
    39,782.31/54,899.52 = 22,792.05/x
  3. Step 3: Cross multiply
    39,782.31x = 54,899.52 × 22,792.05
  4. Step 4: Simplify right side
    39,782.31x = 1,251,272,604.82
  5. Step 5: Solve for x
    x = 1,251,272,604.82/39,782.31
  6. Step 6: Final answer
    x = 31,452.99

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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.