Home / 37,531.46-51,786.23-21,398.47

Finding the Fourth Proportional to 37,531.46, 51,786.23 and 21,398.47

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Solution

The fourth proportional to 37,531.46, 51,786.23 and 21,398.47 is: 29,525.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,531.46 : 51,786.23 = 21,398.47 : x
  2. Step 2: Convert to fraction form
    37,531.46/51,786.23 = 21,398.47/x
  3. Step 3: Cross multiply
    37,531.46x = 51,786.23 × 21,398.47
  4. Step 4: Simplify right side
    37,531.46x = 1,108,145,852.61
  5. Step 5: Solve for x
    x = 1,108,145,852.61/37,531.46
  6. Step 6: Final answer
    x = 29,525.78

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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.