Home / 39,169.16-54,054.54-21,265.33

Finding the Fourth Proportional to 39,169.16, 54,054.54 and 21,265.33

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Solution

The fourth proportional to 39,169.16, 54,054.54 and 21,265.33 is: 29,346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,169.16 : 54,054.54 = 21,265.33 : x
  2. Step 2: Convert to fraction form
    39,169.16/54,054.54 = 21,265.33/x
  3. Step 3: Cross multiply
    39,169.16x = 54,054.54 × 21,265.33
  4. Step 4: Simplify right side
    39,169.16x = 1,149,487,631.10
  5. Step 5: Solve for x
    x = 1,149,487,631.10/39,169.16
  6. Step 6: Final answer
    x = 29,346.76

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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.