Home / 61,307.76-91,915.04-31,706.73

Finding the Fourth Proportional to 61,307.76, 91,915.04 and 31,706.73

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Solution

The fourth proportional to 61,307.76, 91,915.04 and 31,706.73 is: 47,535.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,307.76 : 91,915.04 = 31,706.73 : x
  2. Step 2: Convert to fraction form
    61,307.76/91,915.04 = 31,706.73/x
  3. Step 3: Cross multiply
    61,307.76x = 91,915.04 × 31,706.73
  4. Step 4: Simplify right side
    61,307.76x = 2,914,325,197.69
  5. Step 5: Solve for x
    x = 2,914,325,197.69/61,307.76
  6. Step 6: Final answer
    x = 47,535.99

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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.