Home / 51,329.52-76,994.16-20,142.96

Finding the Fourth Proportional to 51,329.52, 76,994.16 and 20,142.96

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Solution

The fourth proportional to 51,329.52, 76,994.16 and 20,142.96 is: 30,214.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,329.52 : 76,994.16 = 20,142.96 : x
  2. Step 2: Convert to fraction form
    51,329.52/76,994.16 = 20,142.96/x
  3. Step 3: Cross multiply
    51,329.52x = 76,994.16 × 20,142.96
  4. Step 4: Simplify right side
    51,329.52x = 1,550,890,285.11
  5. Step 5: Solve for x
    x = 1,550,890,285.11/51,329.52
  6. Step 6: Final answer
    x = 30,214.39

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1.5x scale

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.