Home / 37,239.99-55,863.68-12,280.29

Finding the Fourth Proportional to 37,239.99, 55,863.68 and 12,280.29

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Solution

The fourth proportional to 37,239.99, 55,863.68 and 12,280.29 is: 18,421.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,239.99 : 55,863.68 = 12,280.29 : x
  2. Step 2: Convert to fraction form
    37,239.99/55,863.68 = 12,280.29/x
  3. Step 3: Cross multiply
    37,239.99x = 55,863.68 × 12,280.29
  4. Step 4: Simplify right side
    37,239.99x = 686,022,129.47
  5. Step 5: Solve for x
    x = 686,022,129.47/37,239.99
  6. Step 6: Final answer
    x = 18,421.65

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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.