Home / 37,124.80-51,233.60-21,211.20

Finding the Fourth Proportional to 37,124.80, 51,233.60 and 21,211.20

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Solution

The fourth proportional to 37,124.80, 51,233.60 and 21,211.20 is: 29,272.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,124.80 : 51,233.60 = 21,211.20 : x
  2. Step 2: Convert to fraction form
    37,124.80/51,233.60 = 21,211.20/x
  3. Step 3: Cross multiply
    37,124.80x = 51,233.60 × 21,211.20
  4. Step 4: Simplify right side
    37,124.80x = 1,086,726,136.32
  5. Step 5: Solve for x
    x = 1,086,726,136.32/37,124.80
  6. Step 6: Final answer
    x = 29,272.24

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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.