Home / 36,851.40-55,285.20-11,887.20

Finding the Fourth Proportional to 36,851.40, 55,285.20 and 11,887.20

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Solution

The fourth proportional to 36,851.40, 55,285.20 and 11,887.20 is: 17,833.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,851.40 : 55,285.20 = 11,887.20 : x
  2. Step 2: Convert to fraction form
    36,851.40/55,285.20 = 11,887.20/x
  3. Step 3: Cross multiply
    36,851.40x = 55,285.20 × 11,887.20
  4. Step 4: Simplify right side
    36,851.40x = 657,186,229.44
  5. Step 5: Solve for x
    x = 657,186,229.44/36,851.40
  6. Step 6: Final answer
    x = 17,833.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.