Home / 31,474.48-47,240.88-15,903.04

Finding the Fourth Proportional to 31,474.48, 47,240.88 and 15,903.04

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Solution

The fourth proportional to 31,474.48, 47,240.88 and 15,903.04 is: 23,869.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,474.48 : 47,240.88 = 15,903.04 : x
  2. Step 2: Convert to fraction form
    31,474.48/47,240.88 = 15,903.04/x
  3. Step 3: Cross multiply
    31,474.48x = 47,240.88 × 15,903.04
  4. Step 4: Simplify right side
    31,474.48x = 751,273,604.28
  5. Step 5: Solve for x
    x = 751,273,604.28/31,474.48
  6. Step 6: Final answer
    x = 23,869.29

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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.