Home / 51,432.21-77,154.39-19,834.92

Finding the Fourth Proportional to 51,432.21, 77,154.39 and 19,834.92

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Solution

The fourth proportional to 51,432.21, 77,154.39 and 19,834.92 is: 29,754.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,432.21 : 77,154.39 = 19,834.92 : x
  2. Step 2: Convert to fraction form
    51,432.21/77,154.39 = 19,834.92/x
  3. Step 3: Cross multiply
    51,432.21x = 77,154.39 × 19,834.92
  4. Step 4: Simplify right side
    51,432.21x = 1,530,351,153.30
  5. Step 5: Solve for x
    x = 1,530,351,153.30/51,432.21
  6. Step 6: Final answer
    x = 29,754.72

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1.5x scale

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.