Home / 51,426.45-77,145.21-16,357.91

Finding the Fourth Proportional to 51,426.45, 77,145.21 and 16,357.91

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Solution

The fourth proportional to 51,426.45, 77,145.21 and 16,357.91 is: 24,538.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,426.45 : 77,145.21 = 16,357.91 : x
  2. Step 2: Convert to fraction form
    51,426.45/77,145.21 = 16,357.91/x
  3. Step 3: Cross multiply
    51,426.45x = 77,145.21 × 16,357.91
  4. Step 4: Simplify right side
    51,426.45x = 1,261,934,016.39
  5. Step 5: Solve for x
    x = 1,261,934,016.39/51,426.45
  6. Step 6: Final answer
    x = 24,538.62

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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.