Home / 31,954.21-47,931.36-31,908.04

Finding the Fourth Proportional to 31,954.21, 47,931.36 and 31,908.04

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Solution

The fourth proportional to 31,954.21, 47,931.36 and 31,908.04 is: 47,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,954.21 : 47,931.36 = 31,908.04 : x
  2. Step 2: Convert to fraction form
    31,954.21/47,931.36 = 31,908.04/x
  3. Step 3: Cross multiply
    31,954.21x = 47,931.36 × 31,908.04
  4. Step 4: Simplify right side
    31,954.21x = 1,529,395,512.48
  5. Step 5: Solve for x
    x = 1,529,395,512.48/31,954.21
  6. Step 6: Final answer
    x = 47,862.10

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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.