Home / 39,203.24-54,100.56-21,298.10

Finding the Fourth Proportional to 39,203.24, 54,100.56 and 21,298.10

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Solution

The fourth proportional to 39,203.24, 54,100.56 and 21,298.10 is: 29,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,203.24 : 54,100.56 = 21,298.10 : x
  2. Step 2: Convert to fraction form
    39,203.24/54,100.56 = 21,298.10/x
  3. Step 3: Cross multiply
    39,203.24x = 54,100.56 × 21,298.10
  4. Step 4: Simplify right side
    39,203.24x = 1,152,239,136.94
  5. Step 5: Solve for x
    x = 1,152,239,136.94/39,203.24
  6. Step 6: Final answer
    x = 29,391.43

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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.