Home / 34,256.80-51,375.60-10,890.40

Finding the Fourth Proportional to 34,256.80, 51,375.60 and 10,890.40

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Solution

The fourth proportional to 34,256.80, 51,375.60 and 10,890.40 is: 16,332.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,256.80 : 51,375.60 = 10,890.40 : x
  2. Step 2: Convert to fraction form
    34,256.80/51,375.60 = 10,890.40/x
  3. Step 3: Cross multiply
    34,256.80x = 51,375.60 × 10,890.40
  4. Step 4: Simplify right side
    34,256.80x = 559,500,834.24
  5. Step 5: Solve for x
    x = 559,500,834.24/34,256.80
  6. Step 6: Final answer
    x = 16,332.55

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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.