Home / 37,635.40-51,943.62-21,717.64

Finding the Fourth Proportional to 37,635.40, 51,943.62 and 21,717.64

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Solution

The fourth proportional to 37,635.40, 51,943.62 and 21,717.64 is: 29,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,635.40 : 51,943.62 = 21,717.64 : x
  2. Step 2: Convert to fraction form
    37,635.40/51,943.62 = 21,717.64/x
  3. Step 3: Cross multiply
    37,635.40x = 51,943.62 × 21,717.64
  4. Step 4: Simplify right side
    37,635.40x = 1,128,092,839.46
  5. Step 5: Solve for x
    x = 1,128,092,839.46/37,635.40
  6. Step 6: Final answer
    x = 29,974.25

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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.