Home / 40,212.88-60,297.40-13,915.44

Finding the Fourth Proportional to 40,212.88, 60,297.40 and 13,915.44

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Solution

The fourth proportional to 40,212.88, 60,297.40 and 13,915.44 is: 20,865.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,212.88 : 60,297.40 = 13,915.44 : x
  2. Step 2: Convert to fraction form
    40,212.88/60,297.40 = 13,915.44/x
  3. Step 3: Cross multiply
    40,212.88x = 60,297.40 × 13,915.44
  4. Step 4: Simplify right side
    40,212.88x = 839,064,851.86
  5. Step 5: Solve for x
    x = 839,064,851.86/40,212.88
  6. Step 6: Final answer
    x = 20,865.57

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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.