Home / 34,344.40-51,516.60-16,805.20

Finding the Fourth Proportional to 34,344.40, 51,516.60 and 16,805.20

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Solution

The fourth proportional to 34,344.40, 51,516.60 and 16,805.20 is: 25,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,344.40 : 51,516.60 = 16,805.20 : x
  2. Step 2: Convert to fraction form
    34,344.40/51,516.60 = 16,805.20/x
  3. Step 3: Cross multiply
    34,344.40x = 51,516.60 × 16,805.20
  4. Step 4: Simplify right side
    34,344.40x = 865,746,766.32
  5. Step 5: Solve for x
    x = 865,746,766.32/34,344.40
  6. Step 6: Final answer
    x = 25,207.80

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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.