Home / 43,100.24-64,650.36-11,934.80

Finding the Fourth Proportional to 43,100.24, 64,650.36 and 11,934.80

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Solution

The fourth proportional to 43,100.24, 64,650.36 and 11,934.80 is: 17,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,100.24 : 64,650.36 = 11,934.80 : x
  2. Step 2: Convert to fraction form
    43,100.24/64,650.36 = 11,934.80/x
  3. Step 3: Cross multiply
    43,100.24x = 64,650.36 × 11,934.80
  4. Step 4: Simplify right side
    43,100.24x = 771,589,116.53
  5. Step 5: Solve for x
    x = 771,589,116.53/43,100.24
  6. Step 6: Final answer
    x = 17,902.20

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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.