Home / 36,239.94-50,011.65-21,132.18

Finding the Fourth Proportional to 36,239.94, 50,011.65 and 21,132.18

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Solution

The fourth proportional to 36,239.94, 50,011.65 and 21,132.18 is: 29,162.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,239.94 : 50,011.65 = 21,132.18 : x
  2. Step 2: Convert to fraction form
    36,239.94/50,011.65 = 21,132.18/x
  3. Step 3: Cross multiply
    36,239.94x = 50,011.65 × 21,132.18
  4. Step 4: Simplify right side
    36,239.94x = 1,056,855,189.90
  5. Step 5: Solve for x
    x = 1,056,855,189.90/36,239.94
  6. Step 6: Final answer
    x = 29,162.72

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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.