Home / 52,942.60-79,399.86-17,875

Finding the Fourth Proportional to 52,942.60, 79,399.86 and 17,875

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Solution

The fourth proportional to 52,942.60, 79,399.86 and 17,875 is: 26,807.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,942.60 : 79,399.86 = 17,875 : x
  2. Step 2: Convert to fraction form
    52,942.60/79,399.86 = 17,875/x
  3. Step 3: Cross multiply
    52,942.60x = 79,399.86 × 17,875
  4. Step 4: Simplify right side
    52,942.60x = 1,419,272,497.50
  5. Step 5: Solve for x
    x = 1,419,272,497.50/52,942.60
  6. Step 6: Final answer
    x = 26,807.76

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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.