Home / 33,117.44-45,690.90-18,775.72

Finding the Fourth Proportional to 33,117.44, 45,690.90 and 18,775.72

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Solution

The fourth proportional to 33,117.44, 45,690.90 and 18,775.72 is: 25,904.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,117.44 : 45,690.90 = 18,775.72 : x
  2. Step 2: Convert to fraction form
    33,117.44/45,690.90 = 18,775.72/x
  3. Step 3: Cross multiply
    33,117.44x = 45,690.90 × 18,775.72
  4. Step 4: Simplify right side
    33,117.44x = 857,879,544.95
  5. Step 5: Solve for x
    x = 857,879,544.95/33,117.44
  6. Step 6: Final answer
    x = 25,904.16

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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.