Home / 31,915.58-44,032.10-18,479.50

Finding the Fourth Proportional to 31,915.58, 44,032.10 and 18,479.50

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Solution

The fourth proportional to 31,915.58, 44,032.10 and 18,479.50 is: 25,495.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,915.58 : 44,032.10 = 18,479.50 : x
  2. Step 2: Convert to fraction form
    31,915.58/44,032.10 = 18,479.50/x
  3. Step 3: Cross multiply
    31,915.58x = 44,032.10 × 18,479.50
  4. Step 4: Simplify right side
    31,915.58x = 813,691,191.95
  5. Step 5: Solve for x
    x = 813,691,191.95/31,915.58
  6. Step 6: Final answer
    x = 25,495.11

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1.5x scale

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.