Home / 34,719.14-52,078.74-8,423.90

Finding the Fourth Proportional to 34,719.14, 52,078.74 and 8,423.90

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Solution

The fourth proportional to 34,719.14, 52,078.74 and 8,423.90 is: 12,635.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,719.14 : 52,078.74 = 8,423.90 : x
  2. Step 2: Convert to fraction form
    34,719.14/52,078.74 = 8,423.90/x
  3. Step 3: Cross multiply
    34,719.14x = 52,078.74 × 8,423.90
  4. Step 4: Simplify right side
    34,719.14x = 438,706,097.89
  5. Step 5: Solve for x
    x = 438,706,097.89/34,719.14
  6. Step 6: Final answer
    x = 12,635.86

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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.