Home / 39,199.20-54,093.98-21,293.80

Finding the Fourth Proportional to 39,199.20, 54,093.98 and 21,293.80

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Solution

The fourth proportional to 39,199.20, 54,093.98 and 21,293.80 is: 29,384.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,199.20 : 54,093.98 = 21,293.80 : x
  2. Step 2: Convert to fraction form
    39,199.20/54,093.98 = 21,293.80/x
  3. Step 3: Cross multiply
    39,199.20x = 54,093.98 × 21,293.80
  4. Step 4: Simplify right side
    39,199.20x = 1,151,866,391.32
  5. Step 5: Solve for x
    x = 1,151,866,391.32/39,199.20
  6. Step 6: Final answer
    x = 29,384.95

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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.