Home / 34,861.50-48,109.18-18,945.95

Finding the Fourth Proportional to 34,861.50, 48,109.18 and 18,945.95

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Solution

The fourth proportional to 34,861.50, 48,109.18 and 18,945.95 is: 26,145.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,861.50 : 48,109.18 = 18,945.95 : x
  2. Step 2: Convert to fraction form
    34,861.50/48,109.18 = 18,945.95/x
  3. Step 3: Cross multiply
    34,861.50x = 48,109.18 × 18,945.95
  4. Step 4: Simplify right side
    34,861.50x = 911,474,118.82
  5. Step 5: Solve for x
    x = 911,474,118.82/34,861.50
  6. Step 6: Final answer
    x = 26,145.58

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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.