Home / 22,258.50-33,339.75-20,949.95

Finding the Fourth Proportional to 22,258.50, 33,339.75 and 20,949.95

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Solution

The fourth proportional to 22,258.50, 33,339.75 and 20,949.95 is: 31,379.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,258.50 : 33,339.75 = 20,949.95 : x
  2. Step 2: Convert to fraction form
    22,258.50/33,339.75 = 20,949.95/x
  3. Step 3: Cross multiply
    22,258.50x = 33,339.75 × 20,949.95
  4. Step 4: Simplify right side
    22,258.50x = 698,466,095.51
  5. Step 5: Solve for x
    x = 698,466,095.51/22,258.50
  6. Step 6: Final answer
    x = 31,379.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.