Home / 56,744.32-85,098.48-19,297.72

Finding the Fourth Proportional to 56,744.32, 85,098.48 and 19,297.72

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Solution

The fourth proportional to 56,744.32, 85,098.48 and 19,297.72 is: 28,940.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,744.32 : 85,098.48 = 19,297.72 : x
  2. Step 2: Convert to fraction form
    56,744.32/85,098.48 = 19,297.72/x
  3. Step 3: Cross multiply
    56,744.32x = 85,098.48 × 19,297.72
  4. Step 4: Simplify right side
    56,744.32x = 1,642,206,639.47
  5. Step 5: Solve for x
    x = 1,642,206,639.47/56,744.32
  6. Step 6: Final answer
    x = 28,940.46

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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.