Home / 51,942.48-77,815.80-25,616.40

Finding the Fourth Proportional to 51,942.48, 77,815.80 and 25,616.40

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Solution

The fourth proportional to 51,942.48, 77,815.80 and 25,616.40 is: 38,376.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,942.48 : 77,815.80 = 25,616.40 : x
  2. Step 2: Convert to fraction form
    51,942.48/77,815.80 = 25,616.40/x
  3. Step 3: Cross multiply
    51,942.48x = 77,815.80 × 25,616.40
  4. Step 4: Simplify right side
    51,942.48x = 1,993,360,659.12
  5. Step 5: Solve for x
    x = 1,993,360,659.12/51,942.48
  6. Step 6: Final answer
    x = 38,376.31

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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.