Home / 51,994.72-71,752.70-28,121.38

Finding the Fourth Proportional to 51,994.72, 71,752.70 and 28,121.38

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Solution

The fourth proportional to 51,994.72, 71,752.70 and 28,121.38 is: 38,807.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,994.72 : 71,752.70 = 28,121.38 : x
  2. Step 2: Convert to fraction form
    51,994.72/71,752.70 = 28,121.38/x
  3. Step 3: Cross multiply
    51,994.72x = 71,752.70 × 28,121.38
  4. Step 4: Simplify right side
    51,994.72x = 2,017,784,942.73
  5. Step 5: Solve for x
    x = 2,017,784,942.73/51,994.72
  6. Step 6: Final answer
    x = 38,807.50

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1.5x scale

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.