Home / 30,257.66-41,738.52-18,155.00

Finding the Fourth Proportional to 30,257.66, 41,738.52 and 18,155.00

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Solution

The fourth proportional to 30,257.66, 41,738.52 and 18,155.00 is: 25,043.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,257.66 : 41,738.52 = 18,155.00 : x
  2. Step 2: Convert to fraction form
    30,257.66/41,738.52 = 18,155.00/x
  3. Step 3: Cross multiply
    30,257.66x = 41,738.52 × 18,155.00
  4. Step 4: Simplify right side
    30,257.66x = 757,762,934.95
  5. Step 5: Solve for x
    x = 757,762,934.95/30,257.66
  6. Step 6: Final answer
    x = 25,043.68

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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.