Home / 51,704.94-77,557.74-28,318.62

Finding the Fourth Proportional to 51,704.94, 77,557.74 and 28,318.62

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Solution

The fourth proportional to 51,704.94, 77,557.74 and 28,318.62 is: 42,478.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,704.94 : 77,557.74 = 28,318.62 : x
  2. Step 2: Convert to fraction form
    51,704.94/77,557.74 = 28,318.62/x
  3. Step 3: Cross multiply
    51,704.94x = 77,557.74 × 28,318.62
  4. Step 4: Simplify right side
    51,704.94x = 2,196,328,167.12
  5. Step 5: Solve for x
    x = 2,196,328,167.12/51,704.94
  6. Step 6: Final answer
    x = 42,478.11

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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.