Home / 56,420.66-84,621.40-16,968.53

Finding the Fourth Proportional to 56,420.66, 84,621.40 and 16,968.53

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Solution

The fourth proportional to 56,420.66, 84,621.40 and 16,968.53 is: 25,449.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,420.66 : 84,621.40 = 16,968.53 : x
  2. Step 2: Convert to fraction form
    56,420.66/84,621.40 = 16,968.53/x
  3. Step 3: Cross multiply
    56,420.66x = 84,621.40 × 16,968.53
  4. Step 4: Simplify right side
    56,420.66x = 1,435,900,764.54
  5. Step 5: Solve for x
    x = 1,435,900,764.54/56,420.66
  6. Step 6: Final answer
    x = 25,449.91

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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.