Home / 37,771.12-52,120.02-21,852.60

Finding the Fourth Proportional to 37,771.12, 52,120.02 and 21,852.60

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Solution

The fourth proportional to 37,771.12, 52,120.02 and 21,852.60 is: 30,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,771.12 : 52,120.02 = 21,852.60 : x
  2. Step 2: Convert to fraction form
    37,771.12/52,120.02 = 21,852.60/x
  3. Step 3: Cross multiply
    37,771.12x = 52,120.02 × 21,852.60
  4. Step 4: Simplify right side
    37,771.12x = 1,138,957,949.05
  5. Step 5: Solve for x
    x = 1,138,957,949.05/37,771.12
  6. Step 6: Final answer
    x = 30,154.20

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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.