Home / 51,899.26-77,942.85-47,731.81

Finding the Fourth Proportional to 51,899.26, 77,942.85 and 47,731.81

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Solution

The fourth proportional to 51,899.26, 77,942.85 and 47,731.81 is: 71,684.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,899.26 : 77,942.85 = 47,731.81 : x
  2. Step 2: Convert to fraction form
    51,899.26/77,942.85 = 47,731.81/x
  3. Step 3: Cross multiply
    51,899.26x = 77,942.85 × 47,731.81
  4. Step 4: Simplify right side
    51,899.26x = 3,720,353,307.06
  5. Step 5: Solve for x
    x = 3,720,353,307.06/51,899.26
  6. Step 6: Final answer
    x = 71,684.13

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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.