Home / 37,108.81-55,651.65-12,143.29

Finding the Fourth Proportional to 37,108.81, 55,651.65 and 12,143.29

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Solution

The fourth proportional to 37,108.81, 55,651.65 and 12,143.29 is: 18,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,108.81 : 55,651.65 = 12,143.29 : x
  2. Step 2: Convert to fraction form
    37,108.81/55,651.65 = 12,143.29/x
  3. Step 3: Cross multiply
    37,108.81x = 55,651.65 × 12,143.29
  4. Step 4: Simplify right side
    37,108.81x = 675,794,124.93
  5. Step 5: Solve for x
    x = 675,794,124.93/37,108.81
  6. Step 6: Final answer
    x = 18,211.15

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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.