Home / 37,309.12-51,491.04-21,999.13

Finding the Fourth Proportional to 37,309.12, 51,491.04 and 21,999.13

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Solution

The fourth proportional to 37,309.12, 51,491.04 and 21,999.13 is: 30,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,309.12 : 51,491.04 = 21,999.13 : x
  2. Step 2: Convert to fraction form
    37,309.12/51,491.04 = 21,999.13/x
  3. Step 3: Cross multiply
    37,309.12x = 51,491.04 × 21,999.13
  4. Step 4: Simplify right side
    37,309.12x = 1,132,757,995.32
  5. Step 5: Solve for x
    x = 1,132,757,995.32/37,309.12
  6. Step 6: Final answer
    x = 30,361.42

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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.