Home / 36,510.12-50,367.96-21,395.12

Finding the Fourth Proportional to 36,510.12, 50,367.96 and 21,395.12

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Solution

The fourth proportional to 36,510.12, 50,367.96 and 21,395.12 is: 29,515.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,510.12 : 50,367.96 = 21,395.12 : x
  2. Step 2: Convert to fraction form
    36,510.12/50,367.96 = 21,395.12/x
  3. Step 3: Cross multiply
    36,510.12x = 50,367.96 × 21,395.12
  4. Step 4: Simplify right side
    36,510.12x = 1,077,628,296.52
  5. Step 5: Solve for x
    x = 1,077,628,296.52/36,510.12
  6. Step 6: Final answer
    x = 29,515.88

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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.