Home / 34,138.40-51,207.60-33,792.80

Finding the Fourth Proportional to 34,138.40, 51,207.60 and 33,792.80

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Solution

The fourth proportional to 34,138.40, 51,207.60 and 33,792.80 is: 50,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,138.40 : 51,207.60 = 33,792.80 : x
  2. Step 2: Convert to fraction form
    34,138.40/51,207.60 = 33,792.80/x
  3. Step 3: Cross multiply
    34,138.40x = 51,207.60 × 33,792.80
  4. Step 4: Simplify right side
    34,138.40x = 1,730,448,185.28
  5. Step 5: Solve for x
    x = 1,730,448,185.28/34,138.40
  6. Step 6: Final answer
    x = 50,689.20

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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.