Home / 36,988.92-55,488.65-12,020.94

Finding the Fourth Proportional to 36,988.92, 55,488.65 and 12,020.94

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Solution

The fourth proportional to 36,988.92, 55,488.65 and 12,020.94 is: 18,033.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,988.92 : 55,488.65 = 12,020.94 : x
  2. Step 2: Convert to fraction form
    36,988.92/55,488.65 = 12,020.94/x
  3. Step 3: Cross multiply
    36,988.92x = 55,488.65 × 12,020.94
  4. Step 4: Simplify right side
    36,988.92x = 667,025,672.23
  5. Step 5: Solve for x
    x = 667,025,672.23/36,988.92
  6. Step 6: Final answer
    x = 18,033.12

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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.