Home / 35,392.81-48,844.09-20,287.98

Finding the Fourth Proportional to 35,392.81, 48,844.09 and 20,287.98

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Solution

The fourth proportional to 35,392.81, 48,844.09 and 20,287.98 is: 27,998.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,392.81 : 48,844.09 = 20,287.98 : x
  2. Step 2: Convert to fraction form
    35,392.81/48,844.09 = 20,287.98/x
  3. Step 3: Cross multiply
    35,392.81x = 48,844.09 × 20,287.98
  4. Step 4: Simplify right side
    35,392.81x = 990,947,921.04
  5. Step 5: Solve for x
    x = 990,947,921.04/35,392.81
  6. Step 6: Final answer
    x = 27,998.57

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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.