Home / 51,518.58-71,136.73-34,307.75

Finding the Fourth Proportional to 51,518.58, 71,136.73 and 34,307.75

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Solution

The fourth proportional to 51,518.58, 71,136.73 and 34,307.75 is: 47,372.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,518.58 : 71,136.73 = 34,307.75 : x
  2. Step 2: Convert to fraction form
    51,518.58/71,136.73 = 34,307.75/x
  3. Step 3: Cross multiply
    51,518.58x = 71,136.73 × 34,307.75
  4. Step 4: Simplify right side
    51,518.58x = 2,440,541,369.38
  5. Step 5: Solve for x
    x = 2,440,541,369.38/51,518.58
  6. Step 6: Final answer
    x = 47,372.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.