Home / 56,408.02-84,613.24-18,969.28

Finding the Fourth Proportional to 56,408.02, 84,613.24 and 18,969.28

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Solution

The fourth proportional to 56,408.02, 84,613.24 and 18,969.28 is: 28,454.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,408.02 : 84,613.24 = 18,969.28 : x
  2. Step 2: Convert to fraction form
    56,408.02/84,613.24 = 18,969.28/x
  3. Step 3: Cross multiply
    56,408.02x = 84,613.24 × 18,969.28
  4. Step 4: Simplify right side
    56,408.02x = 1,605,052,241.27
  5. Step 5: Solve for x
    x = 1,605,052,241.27/56,408.02
  6. Step 6: Final answer
    x = 28,454.33

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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.