Home / 56,863.11-85,313.54-17,420.61

Finding the Fourth Proportional to 56,863.11, 85,313.54 and 17,420.61

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Solution

The fourth proportional to 56,863.11, 85,313.54 and 17,420.61 is: 26,136.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,863.11 : 85,313.54 = 17,420.61 : x
  2. Step 2: Convert to fraction form
    56,863.11/85,313.54 = 17,420.61/x
  3. Step 3: Cross multiply
    56,863.11x = 85,313.54 × 17,420.61
  4. Step 4: Simplify right side
    56,863.11x = 1,486,213,908.06
  5. Step 5: Solve for x
    x = 1,486,213,908.06/56,863.11
  6. Step 6: Final answer
    x = 26,136.70

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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.