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Finding the Fourth Proportional to 34,779.38, 52,169.62 and 8,484.62

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Solution

The fourth proportional to 34,779.38, 52,169.62 and 8,484.62 is: 12,727.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,779.38 : 52,169.62 = 8,484.62 : x
  2. Step 2: Convert to fraction form
    34,779.38/52,169.62 = 8,484.62/x
  3. Step 3: Cross multiply
    34,779.38x = 52,169.62 × 8,484.62
  4. Step 4: Simplify right side
    34,779.38x = 442,639,401.24
  5. Step 5: Solve for x
    x = 442,639,401.24/34,779.38
  6. Step 6: Final answer
    x = 12,727.06

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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.