Home / 56,665.24-85,003.80-19,223.80

Finding the Fourth Proportional to 56,665.24, 85,003.80 and 19,223.80

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Solution

The fourth proportional to 56,665.24, 85,003.80 and 19,223.80 is: 28,837.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,665.24 : 85,003.80 = 19,223.80 : x
  2. Step 2: Convert to fraction form
    56,665.24/85,003.80 = 19,223.80/x
  3. Step 3: Cross multiply
    56,665.24x = 85,003.80 × 19,223.80
  4. Step 4: Simplify right side
    56,665.24x = 1,634,096,050.44
  5. Step 5: Solve for x
    x = 1,634,096,050.44/56,665.24
  6. Step 6: Final answer
    x = 28,837.72

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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.