Home / 56,372.35-84,566.29-18,943.12

Finding the Fourth Proportional to 56,372.35, 84,566.29 and 18,943.12

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Solution

The fourth proportional to 56,372.35, 84,566.29 and 18,943.12 is: 28,417.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,372.35 : 84,566.29 = 18,943.12 : x
  2. Step 2: Convert to fraction form
    56,372.35/84,566.29 = 18,943.12/x
  3. Step 3: Cross multiply
    56,372.35x = 84,566.29 × 18,943.12
  4. Step 4: Simplify right side
    56,372.35x = 1,601,949,379.42
  5. Step 5: Solve for x
    x = 1,601,949,379.42/56,372.35
  6. Step 6: Final answer
    x = 28,417.29

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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.