Home / 56,717.21-85,069.32-15,167.45

Finding the Fourth Proportional to 56,717.21, 85,069.32 and 15,167.45

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Solution

The fourth proportional to 56,717.21, 85,069.32 and 15,167.45 is: 22,749.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,717.21 : 85,069.32 = 15,167.45 : x
  2. Step 2: Convert to fraction form
    56,717.21/85,069.32 = 15,167.45/x
  3. Step 3: Cross multiply
    56,717.21x = 85,069.32 × 15,167.45
  4. Step 4: Simplify right side
    56,717.21x = 1,290,284,232.29
  5. Step 5: Solve for x
    x = 1,290,284,232.29/56,717.21
  6. Step 6: Final answer
    x = 22,749.43

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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.