Home / 36,140.05-49,869.75-21,034.71

Finding the Fourth Proportional to 36,140.05, 49,869.75 and 21,034.71

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Solution

The fourth proportional to 36,140.05, 49,869.75 and 21,034.71 is: 29,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,140.05 : 49,869.75 = 21,034.71 : x
  2. Step 2: Convert to fraction form
    36,140.05/49,869.75 = 21,034.71/x
  3. Step 3: Cross multiply
    36,140.05x = 49,869.75 × 21,034.71
  4. Step 4: Simplify right side
    36,140.05x = 1,048,995,729.02
  5. Step 5: Solve for x
    x = 1,048,995,729.02/36,140.05
  6. Step 6: Final answer
    x = 29,025.85

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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.