Home / 39,169.66-54,055.23-21,265.83

Finding the Fourth Proportional to 39,169.66, 54,055.23 and 21,265.83

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Solution

The fourth proportional to 39,169.66, 54,055.23 and 21,265.83 is: 29,347.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,169.66 : 54,055.23 = 21,265.83 : x
  2. Step 2: Convert to fraction form
    39,169.66/54,055.23 = 21,265.83/x
  3. Step 3: Cross multiply
    39,169.66x = 54,055.23 × 21,265.83
  4. Step 4: Simplify right side
    39,169.66x = 1,149,529,331.79
  5. Step 5: Solve for x
    x = 1,149,529,331.79/39,169.66
  6. Step 6: Final answer
    x = 29,347.44

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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.