Home / 39,268.93-54,189.89-21,363.48

Finding the Fourth Proportional to 39,268.93, 54,189.89 and 21,363.48

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Solution

The fourth proportional to 39,268.93, 54,189.89 and 21,363.48 is: 29,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,268.93 : 54,189.89 = 21,363.48 : x
  2. Step 2: Convert to fraction form
    39,268.93/54,189.89 = 21,363.48/x
  3. Step 3: Cross multiply
    39,268.93x = 54,189.89 × 21,363.48
  4. Step 4: Simplify right side
    39,268.93x = 1,157,684,631.22
  5. Step 5: Solve for x
    x = 1,157,684,631.22/39,268.93
  6. Step 6: Final answer
    x = 29,480.93

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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.