Home / 37,836.16-52,220.24-21,930.28

Finding the Fourth Proportional to 37,836.16, 52,220.24 and 21,930.28

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Solution

The fourth proportional to 37,836.16, 52,220.24 and 21,930.28 is: 30,267.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,836.16 : 52,220.24 = 21,930.28 : x
  2. Step 2: Convert to fraction form
    37,836.16/52,220.24 = 21,930.28/x
  3. Step 3: Cross multiply
    37,836.16x = 52,220.24 × 21,930.28
  4. Step 4: Simplify right side
    37,836.16x = 1,145,204,484.87
  5. Step 5: Solve for x
    x = 1,145,204,484.87/37,836.16
  6. Step 6: Final answer
    x = 30,267.46

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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.