Home / 36,039.94-49,735.02-20,128.17

Finding the Fourth Proportional to 36,039.94, 49,735.02 and 20,128.17

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Solution

The fourth proportional to 36,039.94, 49,735.02 and 20,128.17 is: 27,776.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,039.94 : 49,735.02 = 20,128.17 : x
  2. Step 2: Convert to fraction form
    36,039.94/49,735.02 = 20,128.17/x
  3. Step 3: Cross multiply
    36,039.94x = 49,735.02 × 20,128.17
  4. Step 4: Simplify right side
    36,039.94x = 1,001,074,937.51
  5. Step 5: Solve for x
    x = 1,001,074,937.51/36,039.94
  6. Step 6: Final answer
    x = 27,776.82

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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.