Home / 43,240.68-64,861.14-12,076.20

Finding the Fourth Proportional to 43,240.68, 64,861.14 and 12,076.20

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Solution

The fourth proportional to 43,240.68, 64,861.14 and 12,076.20 is: 18,114.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,240.68 : 64,861.14 = 12,076.20 : x
  2. Step 2: Convert to fraction form
    43,240.68/64,861.14 = 12,076.20/x
  3. Step 3: Cross multiply
    43,240.68x = 64,861.14 × 12,076.20
  4. Step 4: Simplify right side
    43,240.68x = 783,276,098.87
  5. Step 5: Solve for x
    x = 783,276,098.87/43,240.68
  6. Step 6: Final answer
    x = 18,114.33

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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.