Home / 34,234.60-51,366.30-18,663.40

Finding the Fourth Proportional to 34,234.60, 51,366.30 and 18,663.40

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Solution

The fourth proportional to 34,234.60, 51,366.30 and 18,663.40 is: 28,002.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,234.60 : 51,366.30 = 18,663.40 : x
  2. Step 2: Convert to fraction form
    34,234.60/51,366.30 = 18,663.40/x
  3. Step 3: Cross multiply
    34,234.60x = 51,366.30 × 18,663.40
  4. Step 4: Simplify right side
    34,234.60x = 958,669,803.42
  5. Step 5: Solve for x
    x = 958,669,803.42/34,234.60
  6. Step 6: Final answer
    x = 28,002.95

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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.