Home / 37,836.81-52,232.49-21,918.15

Finding the Fourth Proportional to 37,836.81, 52,232.49 and 21,918.15

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Solution

The fourth proportional to 37,836.81, 52,232.49 and 21,918.15 is: 30,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,836.81 : 52,232.49 = 21,918.15 : x
  2. Step 2: Convert to fraction form
    37,836.81/52,232.49 = 21,918.15/x
  3. Step 3: Cross multiply
    37,836.81x = 52,232.49 × 21,918.15
  4. Step 4: Simplify right side
    37,836.81x = 1,144,839,550.69
  5. Step 5: Solve for x
    x = 1,144,839,550.69/37,836.81
  6. Step 6: Final answer
    x = 30,257.30

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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.