Home / 34,860.88-52,294.02-20,915.92

Finding the Fourth Proportional to 34,860.88, 52,294.02 and 20,915.92

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Solution

The fourth proportional to 34,860.88, 52,294.02 and 20,915.92 is: 31,375.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,860.88 : 52,294.02 = 20,915.92 : x
  2. Step 2: Convert to fraction form
    34,860.88/52,294.02 = 20,915.92/x
  3. Step 3: Cross multiply
    34,860.88x = 52,294.02 × 20,915.92
  4. Step 4: Simplify right side
    34,860.88x = 1,093,777,538.80
  5. Step 5: Solve for x
    x = 1,093,777,538.80/34,860.88
  6. Step 6: Final answer
    x = 31,375.50

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1.5x scale

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.