Home / 36,886.72-55,243.44-18,108.16

Finding the Fourth Proportional to 36,886.72, 55,243.44 and 18,108.16

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Solution

The fourth proportional to 36,886.72, 55,243.44 and 18,108.16 is: 27,119.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,886.72 : 55,243.44 = 18,108.16 : x
  2. Step 2: Convert to fraction form
    36,886.72/55,243.44 = 18,108.16/x
  3. Step 3: Cross multiply
    36,886.72x = 55,243.44 × 18,108.16
  4. Step 4: Simplify right side
    36,886.72x = 1,000,357,050.47
  5. Step 5: Solve for x
    x = 1,000,357,050.47/36,886.72
  6. Step 6: Final answer
    x = 27,119.71

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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.