Home / 37,199.54-51,336.04-20,203.78

Finding the Fourth Proportional to 37,199.54, 51,336.04 and 20,203.78

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Solution

The fourth proportional to 37,199.54, 51,336.04 and 20,203.78 is: 27,881.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,199.54 : 51,336.04 = 20,203.78 : x
  2. Step 2: Convert to fraction form
    37,199.54/51,336.04 = 20,203.78/x
  3. Step 3: Cross multiply
    37,199.54x = 51,336.04 × 20,203.78
  4. Step 4: Simplify right side
    37,199.54x = 1,037,182,058.23
  5. Step 5: Solve for x
    x = 1,037,182,058.23/37,199.54
  6. Step 6: Final answer
    x = 27,881.58

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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.