Home / 43,102.24-64,653.36-11,936.80

Finding the Fourth Proportional to 43,102.24, 64,653.36 and 11,936.80

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Solution

The fourth proportional to 43,102.24, 64,653.36 and 11,936.80 is: 17,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,102.24 : 64,653.36 = 11,936.80 : x
  2. Step 2: Convert to fraction form
    43,102.24/64,653.36 = 11,936.80/x
  3. Step 3: Cross multiply
    43,102.24x = 64,653.36 × 11,936.80
  4. Step 4: Simplify right side
    43,102.24x = 771,754,227.65
  5. Step 5: Solve for x
    x = 771,754,227.65/43,102.24
  6. Step 6: Final answer
    x = 17,905.20

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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.