Home / 56,359.64-84,552.80-18,408.72

Finding the Fourth Proportional to 56,359.64, 84,552.80 and 18,408.72

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Solution

The fourth proportional to 56,359.64, 84,552.80 and 18,408.72 is: 27,617.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,359.64 : 84,552.80 = 18,408.72 : x
  2. Step 2: Convert to fraction form
    56,359.64/84,552.80 = 18,408.72/x
  3. Step 3: Cross multiply
    56,359.64x = 84,552.80 × 18,408.72
  4. Step 4: Simplify right side
    56,359.64x = 1,556,508,820.42
  5. Step 5: Solve for x
    x = 1,556,508,820.42/56,359.64
  6. Step 6: Final answer
    x = 27,617.44

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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.