Home / 37,486.18-51,729.40-21,571.20

Finding the Fourth Proportional to 37,486.18, 51,729.40 and 21,571.20

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Solution

The fourth proportional to 37,486.18, 51,729.40 and 21,571.20 is: 29,767.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,486.18 : 51,729.40 = 21,571.20 : x
  2. Step 2: Convert to fraction form
    37,486.18/51,729.40 = 21,571.20/x
  3. Step 3: Cross multiply
    37,486.18x = 51,729.40 × 21,571.20
  4. Step 4: Simplify right side
    37,486.18x = 1,115,865,233.28
  5. Step 5: Solve for x
    x = 1,115,865,233.28/37,486.18
  6. Step 6: Final answer
    x = 29,767.38

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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.