Home / 37,920.38-52,331.75-21,153.38

Finding the Fourth Proportional to 37,920.38, 52,331.75 and 21,153.38

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Solution

The fourth proportional to 37,920.38, 52,331.75 and 21,153.38 is: 29,192.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,920.38 : 52,331.75 = 21,153.38 : x
  2. Step 2: Convert to fraction form
    37,920.38/52,331.75 = 21,153.38/x
  3. Step 3: Cross multiply
    37,920.38x = 52,331.75 × 21,153.38
  4. Step 4: Simplify right side
    37,920.38x = 1,106,993,026.39
  5. Step 5: Solve for x
    x = 1,106,993,026.39/37,920.38
  6. Step 6: Final answer
    x = 29,192.57

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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.