Home / 56,083.45-77,396.08-30,589.81

Finding the Fourth Proportional to 56,083.45, 77,396.08 and 30,589.81

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Solution

The fourth proportional to 56,083.45, 77,396.08 and 30,589.81 is: 42,214.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,083.45 : 77,396.08 = 30,589.81 : x
  2. Step 2: Convert to fraction form
    56,083.45/77,396.08 = 30,589.81/x
  3. Step 3: Cross multiply
    56,083.45x = 77,396.08 × 30,589.81
  4. Step 4: Simplify right side
    56,083.45x = 2,367,531,402.22
  5. Step 5: Solve for x
    x = 2,367,531,402.22/56,083.45
  6. Step 6: Final answer
    x = 42,214.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.