Home / 37,272.69-51,424.07-21,138.17

Finding the Fourth Proportional to 37,272.69, 51,424.07 and 21,138.17

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Solution

The fourth proportional to 37,272.69, 51,424.07 and 21,138.17 is: 29,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,272.69 : 51,424.07 = 21,138.17 : x
  2. Step 2: Convert to fraction form
    37,272.69/51,424.07 = 21,138.17/x
  3. Step 3: Cross multiply
    37,272.69x = 51,424.07 × 21,138.17
  4. Step 4: Simplify right side
    37,272.69x = 1,087,010,370.94
  5. Step 5: Solve for x
    x = 1,087,010,370.94/37,272.69
  6. Step 6: Final answer
    x = 29,163.72

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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.