Home / 51,465.58-77,134.78-30,384.25

Finding the Fourth Proportional to 51,465.58, 77,134.78 and 30,384.25

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Solution

The fourth proportional to 51,465.58, 77,134.78 and 30,384.25 is: 45,538.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,465.58 : 77,134.78 = 30,384.25 : x
  2. Step 2: Convert to fraction form
    51,465.58/77,134.78 = 30,384.25/x
  3. Step 3: Cross multiply
    51,465.58x = 77,134.78 × 30,384.25
  4. Step 4: Simplify right side
    51,465.58x = 2,343,682,439.22
  5. Step 5: Solve for x
    x = 2,343,682,439.22/51,465.58
  6. Step 6: Final answer
    x = 45,538.83

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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.