Home / 50,391.53-75,611.88-31,680.36

Finding the Fourth Proportional to 50,391.53, 75,611.88 and 31,680.36

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Solution

The fourth proportional to 50,391.53, 75,611.88 and 31,680.36 is: 47,536.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,391.53 : 75,611.88 = 31,680.36 : x
  2. Step 2: Convert to fraction form
    50,391.53/75,611.88 = 31,680.36/x
  3. Step 3: Cross multiply
    50,391.53x = 75,611.88 × 31,680.36
  4. Step 4: Simplify right side
    50,391.53x = 2,395,411,578.68
  5. Step 5: Solve for x
    x = 2,395,411,578.68/50,391.53
  6. Step 6: Final answer
    x = 47,536.00

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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.