Home / 39,530.49-54,552.87-21,626.61

Finding the Fourth Proportional to 39,530.49, 54,552.87 and 21,626.61

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Solution

The fourth proportional to 39,530.49, 54,552.87 and 21,626.61 is: 29,845.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,530.49 : 54,552.87 = 21,626.61 : x
  2. Step 2: Convert to fraction form
    39,530.49/54,552.87 = 21,626.61/x
  3. Step 3: Cross multiply
    39,530.49x = 54,552.87 × 21,626.61
  4. Step 4: Simplify right side
    39,530.49x = 1,179,793,643.87
  5. Step 5: Solve for x
    x = 1,179,793,643.87/39,530.49
  6. Step 6: Final answer
    x = 29,845.16

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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.