Home / 39,938.75-55,115.15-22,034.51

Finding the Fourth Proportional to 39,938.75, 55,115.15 and 22,034.51

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Solution

The fourth proportional to 39,938.75, 55,115.15 and 22,034.51 is: 30,407.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938.75 : 55,115.15 = 22,034.51 : x
  2. Step 2: Convert to fraction form
    39,938.75/55,115.15 = 22,034.51/x
  3. Step 3: Cross multiply
    39,938.75x = 55,115.15 × 22,034.51
  4. Step 4: Simplify right side
    39,938.75x = 1,214,435,323.83
  5. Step 5: Solve for x
    x = 1,214,435,323.83/39,938.75
  6. Step 6: Final answer
    x = 30,407.44

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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.