Home / 51,697.86-77,554.08-18,410.81

Finding the Fourth Proportional to 51,697.86, 77,554.08 and 18,410.81

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Solution

The fourth proportional to 51,697.86, 77,554.08 and 18,410.81 is: 27,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,697.86 : 77,554.08 = 18,410.81 : x
  2. Step 2: Convert to fraction form
    51,697.86/77,554.08 = 18,410.81/x
  3. Step 3: Cross multiply
    51,697.86x = 77,554.08 × 18,410.81
  4. Step 4: Simplify right side
    51,697.86x = 1,427,833,043.83
  5. Step 5: Solve for x
    x = 1,427,833,043.83/51,697.86
  6. Step 6: Final answer
    x = 27,618.80

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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.