Home / 51,522.36-77,371.74-31,648.38

Finding the Fourth Proportional to 51,522.36, 77,371.74 and 31,648.38

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Solution

The fourth proportional to 51,522.36, 77,371.74 and 31,648.38 is: 47,526.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,522.36 : 77,371.74 = 31,648.38 : x
  2. Step 2: Convert to fraction form
    51,522.36/77,371.74 = 31,648.38/x
  3. Step 3: Cross multiply
    51,522.36x = 77,371.74 × 31,648.38
  4. Step 4: Simplify right side
    51,522.36x = 2,448,690,228.78
  5. Step 5: Solve for x
    x = 2,448,690,228.78/51,522.36
  6. Step 6: Final answer
    x = 47,526.75

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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.