Home / 39,577.88-54,622.67-22,578.21

Finding the Fourth Proportional to 39,577.88, 54,622.67 and 22,578.21

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Solution

The fourth proportional to 39,577.88, 54,622.67 and 22,578.21 is: 31,160.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,577.88 : 54,622.67 = 22,578.21 : x
  2. Step 2: Convert to fraction form
    39,577.88/54,622.67 = 22,578.21/x
  3. Step 3: Cross multiply
    39,577.88x = 54,622.67 × 22,578.21
  4. Step 4: Simplify right side
    39,577.88x = 1,233,282,001.13
  5. Step 5: Solve for x
    x = 1,233,282,001.13/39,577.88
  6. Step 6: Final answer
    x = 31,160.89

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1.5x scale

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.