Home / 37,135.40-55,706.22-12,175.29

Finding the Fourth Proportional to 37,135.40, 55,706.22 and 12,175.29

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Solution

The fourth proportional to 37,135.40, 55,706.22 and 12,175.29 is: 18,263.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,135.40 : 55,706.22 = 12,175.29 : x
  2. Step 2: Convert to fraction form
    37,135.40/55,706.22 = 12,175.29/x
  3. Step 3: Cross multiply
    37,135.40x = 55,706.22 × 12,175.29
  4. Step 4: Simplify right side
    37,135.40x = 678,239,383.30
  5. Step 5: Solve for x
    x = 678,239,383.30/37,135.40
  6. Step 6: Final answer
    x = 18,263.96

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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.