Home / 36,138.05-49,866.99-21,032.71

Finding the Fourth Proportional to 36,138.05, 49,866.99 and 21,032.71

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Solution

The fourth proportional to 36,138.05, 49,866.99 and 21,032.71 is: 29,023.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,138.05 : 49,866.99 = 21,032.71 : x
  2. Step 2: Convert to fraction form
    36,138.05/49,866.99 = 21,032.71/x
  3. Step 3: Cross multiply
    36,138.05x = 49,866.99 × 21,032.71
  4. Step 4: Simplify right side
    36,138.05x = 1,048,837,814.58
  5. Step 5: Solve for x
    x = 1,048,837,814.58/36,138.05
  6. Step 6: Final answer
    x = 29,023.09

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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.