Home / 39,941.49-59,894.81-21,217.03

Finding the Fourth Proportional to 39,941.49, 59,894.81 and 21,217.03

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Solution

The fourth proportional to 39,941.49, 59,894.81 and 21,217.03 is: 31,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,941.49 : 59,894.81 = 21,217.03 : x
  2. Step 2: Convert to fraction form
    39,941.49/59,894.81 = 21,217.03/x
  3. Step 3: Cross multiply
    39,941.49x = 59,894.81 × 21,217.03
  4. Step 4: Simplify right side
    39,941.49x = 1,270,789,804.36
  5. Step 5: Solve for x
    x = 1,270,789,804.36/39,941.49
  6. Step 6: Final answer
    x = 31,816.28

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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.