Home / 33,422.16-46,120.20-18,312.36

Finding the Fourth Proportional to 33,422.16, 46,120.20 and 18,312.36

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Solution

The fourth proportional to 33,422.16, 46,120.20 and 18,312.36 is: 25,269.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,422.16 : 46,120.20 = 18,312.36 : x
  2. Step 2: Convert to fraction form
    33,422.16/46,120.20 = 18,312.36/x
  3. Step 3: Cross multiply
    33,422.16x = 46,120.20 × 18,312.36
  4. Step 4: Simplify right side
    33,422.16x = 844,569,705.67
  5. Step 5: Solve for x
    x = 844,569,705.67/33,422.16
  6. Step 6: Final answer
    x = 25,269.75

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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.