Home / 34,084.32-51,128.64-10,711.68

Finding the Fourth Proportional to 34,084.32, 51,128.64 and 10,711.68

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Solution

The fourth proportional to 34,084.32, 51,128.64 and 10,711.68 is: 16,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,084.32 : 51,128.64 = 10,711.68 : x
  2. Step 2: Convert to fraction form
    34,084.32/51,128.64 = 10,711.68/x
  3. Step 3: Cross multiply
    34,084.32x = 51,128.64 × 10,711.68
  4. Step 4: Simplify right side
    34,084.32x = 547,673,630.52
  5. Step 5: Solve for x
    x = 547,673,630.52/34,084.32
  6. Step 6: Final answer
    x = 16,068.20

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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.