Home / 37,107.81-55,650.15-12,142.29

Finding the Fourth Proportional to 37,107.81, 55,650.15 and 12,142.29

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Solution

The fourth proportional to 37,107.81, 55,650.15 and 12,142.29 is: 18,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,107.81 : 55,650.15 = 12,142.29 : x
  2. Step 2: Convert to fraction form
    37,107.81/55,650.15 = 12,142.29/x
  3. Step 3: Cross multiply
    37,107.81x = 55,650.15 × 12,142.29
  4. Step 4: Simplify right side
    37,107.81x = 675,720,407.35
  5. Step 5: Solve for x
    x = 675,720,407.35/37,107.81
  6. Step 6: Final answer
    x = 18,209.66

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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.