Home / 39,137.22-54,005.67-22,139.37

Finding the Fourth Proportional to 39,137.22, 54,005.67 and 22,139.37

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Solution

The fourth proportional to 39,137.22, 54,005.67 and 22,139.37 is: 30,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,137.22 : 54,005.67 = 22,139.37 : x
  2. Step 2: Convert to fraction form
    39,137.22/54,005.67 = 22,139.37/x
  3. Step 3: Cross multiply
    39,137.22x = 54,005.67 × 22,139.37
  4. Step 4: Simplify right side
    39,137.22x = 1,195,651,510.23
  5. Step 5: Solve for x
    x = 1,195,651,510.23/39,137.22
  6. Step 6: Final answer
    x = 30,550.24

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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.