Home / 51,635.14-77,464.40-18,355.06

Finding the Fourth Proportional to 51,635.14, 77,464.40 and 18,355.06

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Solution

The fourth proportional to 51,635.14, 77,464.40 and 18,355.06 is: 27,536.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,635.14 : 77,464.40 = 18,355.06 : x
  2. Step 2: Convert to fraction form
    51,635.14/77,464.40 = 18,355.06/x
  3. Step 3: Cross multiply
    51,635.14x = 77,464.40 × 18,355.06
  4. Step 4: Simplify right side
    51,635.14x = 1,421,863,709.86
  5. Step 5: Solve for x
    x = 1,421,863,709.86/51,635.14
  6. Step 6: Final answer
    x = 27,536.75

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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.