Home / 54,588.93-81,865.98-21,300.90

Finding the Fourth Proportional to 54,588.93, 81,865.98 and 21,300.90

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Solution

The fourth proportional to 54,588.93, 81,865.98 and 21,300.90 is: 31,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,588.93 : 81,865.98 = 21,300.90 : x
  2. Step 2: Convert to fraction form
    54,588.93/81,865.98 = 21,300.90/x
  3. Step 3: Cross multiply
    54,588.93x = 81,865.98 × 21,300.90
  4. Step 4: Simplify right side
    54,588.93x = 1,743,819,053.38
  5. Step 5: Solve for x
    x = 1,743,819,053.38/54,588.93
  6. Step 6: Final answer
    x = 31,944.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.