Home / 39,656.23-54,724.66-21,751.08

Finding the Fourth Proportional to 39,656.23, 54,724.66 and 21,751.08

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Solution

The fourth proportional to 39,656.23, 54,724.66 and 21,751.08 is: 30,015.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,656.23 : 54,724.66 = 21,751.08 : x
  2. Step 2: Convert to fraction form
    39,656.23/54,724.66 = 21,751.08/x
  3. Step 3: Cross multiply
    39,656.23x = 54,724.66 × 21,751.08
  4. Step 4: Simplify right side
    39,656.23x = 1,190,320,628.21
  5. Step 5: Solve for x
    x = 1,190,320,628.21/39,656.23
  6. Step 6: Final answer
    x = 30,015.98

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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.