Home / 31,915.80-48,112.70-29,774.97

Finding the Fourth Proportional to 31,915.80, 48,112.70 and 29,774.97

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Solution

The fourth proportional to 31,915.80, 48,112.70 and 29,774.97 is: 44,885.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,915.80 : 48,112.70 = 29,774.97 : x
  2. Step 2: Convert to fraction form
    31,915.80/48,112.70 = 29,774.97/x
  3. Step 3: Cross multiply
    31,915.80x = 48,112.70 × 29,774.97
  4. Step 4: Simplify right side
    31,915.80x = 1,432,554,050.24
  5. Step 5: Solve for x
    x = 1,432,554,050.24/31,915.80
  6. Step 6: Final answer
    x = 44,885.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.