Home / 34,861.63-48,116.09-20,711.74

Finding the Fourth Proportional to 34,861.63, 48,116.09 and 20,711.74

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Solution

The fourth proportional to 34,861.63, 48,116.09 and 20,711.74 is: 28,586.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,861.63 : 48,116.09 = 20,711.74 : x
  2. Step 2: Convert to fraction form
    34,861.63/48,116.09 = 20,711.74/x
  3. Step 3: Cross multiply
    34,861.63x = 48,116.09 × 20,711.74
  4. Step 4: Simplify right side
    34,861.63x = 996,567,945.90
  5. Step 5: Solve for x
    x = 996,567,945.90/34,861.63
  6. Step 6: Final answer
    x = 28,586.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.