Home / 34,543.08-51,811.20-12,355.56

Finding the Fourth Proportional to 34,543.08, 51,811.20 and 12,355.56

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Solution

The fourth proportional to 34,543.08, 51,811.20 and 12,355.56 is: 18,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,543.08 : 51,811.20 = 12,355.56 : x
  2. Step 2: Convert to fraction form
    34,543.08/51,811.20 = 12,355.56/x
  3. Step 3: Cross multiply
    34,543.08x = 51,811.20 × 12,355.56
  4. Step 4: Simplify right side
    34,543.08x = 640,156,390.27
  5. Step 5: Solve for x
    x = 640,156,390.27/34,543.08
  6. Step 6: Final answer
    x = 18,532.12

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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.