Home / 49,290.36-73,988.16-21,224.31

Finding the Fourth Proportional to 49,290.36, 73,988.16 and 21,224.31

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Solution

The fourth proportional to 49,290.36, 73,988.16 and 21,224.31 is: 31,859.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,290.36 : 73,988.16 = 21,224.31 : x
  2. Step 2: Convert to fraction form
    49,290.36/73,988.16 = 21,224.31/x
  3. Step 3: Cross multiply
    49,290.36x = 73,988.16 × 21,224.31
  4. Step 4: Simplify right side
    49,290.36x = 1,570,347,644.17
  5. Step 5: Solve for x
    x = 1,570,347,644.17/49,290.36
  6. Step 6: Final answer
    x = 31,859.12

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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.