Home / 56,629.40-84,954.84-18,680.96

Finding the Fourth Proportional to 56,629.40, 84,954.84 and 18,680.96

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Solution

The fourth proportional to 56,629.40, 84,954.84 and 18,680.96 is: 28,024.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,629.40 : 84,954.84 = 18,680.96 : x
  2. Step 2: Convert to fraction form
    56,629.40/84,954.84 = 18,680.96/x
  3. Step 3: Cross multiply
    56,629.40x = 84,954.84 × 18,680.96
  4. Step 4: Simplify right side
    56,629.40x = 1,587,037,967.85
  5. Step 5: Solve for x
    x = 1,587,037,967.85/56,629.40
  6. Step 6: Final answer
    x = 28,024.98

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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.