Home / 39,155.33-54,034.33-22,159.26

Finding the Fourth Proportional to 39,155.33, 54,034.33 and 22,159.26

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Solution

The fourth proportional to 39,155.33, 54,034.33 and 22,159.26 is: 30,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,155.33 : 54,034.33 = 22,159.26 : x
  2. Step 2: Convert to fraction form
    39,155.33/54,034.33 = 22,159.26/x
  3. Step 3: Cross multiply
    39,155.33x = 54,034.33 × 22,159.26
  4. Step 4: Simplify right side
    39,155.33x = 1,197,361,128.56
  5. Step 5: Solve for x
    x = 1,197,361,128.56/39,155.33
  6. Step 6: Final answer
    x = 30,579.77

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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.