Home / 37,872.24-56,790.81-18,129.12

Finding the Fourth Proportional to 37,872.24, 56,790.81 and 18,129.12

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Solution

The fourth proportional to 37,872.24, 56,790.81 and 18,129.12 is: 27,185.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,872.24 : 56,790.81 = 18,129.12 : x
  2. Step 2: Convert to fraction form
    37,872.24/56,790.81 = 18,129.12/x
  3. Step 3: Cross multiply
    37,872.24x = 56,790.81 × 18,129.12
  4. Step 4: Simplify right side
    37,872.24x = 1,029,567,409.39
  5. Step 5: Solve for x
    x = 1,029,567,409.39/37,872.24
  6. Step 6: Final answer
    x = 27,185.28

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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.