Home / 34,719.16-52,078.66-8,423.88

Finding the Fourth Proportional to 34,719.16, 52,078.66 and 8,423.88

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Solution

The fourth proportional to 34,719.16, 52,078.66 and 8,423.88 is: 12,635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,719.16 : 52,078.66 = 8,423.88 : x
  2. Step 2: Convert to fraction form
    34,719.16/52,078.66 = 8,423.88/x
  3. Step 3: Cross multiply
    34,719.16x = 52,078.66 × 8,423.88
  4. Step 4: Simplify right side
    34,719.16x = 438,704,382.40
  5. Step 5: Solve for x
    x = 438,704,382.40/34,719.16
  6. Step 6: Final answer
    x = 12,635.80

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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.