Home / 36,222.71-49,988.64-21,112.94

Finding the Fourth Proportional to 36,222.71, 49,988.64 and 21,112.94

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Solution

The fourth proportional to 36,222.71, 49,988.64 and 21,112.94 is: 29,136.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,222.71 : 49,988.64 = 21,112.94 : x
  2. Step 2: Convert to fraction form
    36,222.71/49,988.64 = 21,112.94/x
  3. Step 3: Cross multiply
    36,222.71x = 49,988.64 × 21,112.94
  4. Step 4: Simplify right side
    36,222.71x = 1,055,406,907.06
  5. Step 5: Solve for x
    x = 1,055,406,907.06/36,222.71
  6. Step 6: Final answer
    x = 29,136.61

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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.