Home / 39,204.52-54,103.24-21,300.56

Finding the Fourth Proportional to 39,204.52, 54,103.24 and 21,300.56

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Solution

The fourth proportional to 39,204.52, 54,103.24 and 21,300.56 is: 29,395.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,204.52 : 54,103.24 = 21,300.56 : x
  2. Step 2: Convert to fraction form
    39,204.52/54,103.24 = 21,300.56/x
  3. Step 3: Cross multiply
    39,204.52x = 54,103.24 × 21,300.56
  4. Step 4: Simplify right side
    39,204.52x = 1,152,429,309.81
  5. Step 5: Solve for x
    x = 1,152,429,309.81/39,204.52
  6. Step 6: Final answer
    x = 29,395.32

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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.