Home / 39,239.52-54,150.95-21,334.94

Finding the Fourth Proportional to 39,239.52, 54,150.95 and 21,334.94

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Solution

The fourth proportional to 39,239.52, 54,150.95 and 21,334.94 is: 29,442.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,239.52 : 54,150.95 = 21,334.94 : x
  2. Step 2: Convert to fraction form
    39,239.52/54,150.95 = 21,334.94/x
  3. Step 3: Cross multiply
    39,239.52x = 54,150.95 × 21,334.94
  4. Step 4: Simplify right side
    39,239.52x = 1,155,306,891.76
  5. Step 5: Solve for x
    x = 1,155,306,891.76/39,239.52
  6. Step 6: Final answer
    x = 29,442.43

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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.