Home / 77,403.38-116,124.57-21,999.38

Finding the Fourth Proportional to 77,403.38, 116,124.57 and 21,999.38

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Solution

The fourth proportional to 77,403.38, 116,124.57 and 21,999.38 is: 33,004.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,403.38 : 116,124.57 = 21,999.38 : x
  2. Step 2: Convert to fraction form
    77,403.38/116,124.57 = 21,999.38/x
  3. Step 3: Cross multiply
    77,403.38x = 116,124.57 × 21,999.38
  4. Step 4: Simplify right side
    77,403.38x = 2,554,667,962.14
  5. Step 5: Solve for x
    x = 2,554,667,962.14/77,403.38
  6. Step 6: Final answer
    x = 33,004.61

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1.5x scale

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.