Home / 31,509.36-47,272.20-13,974.96

Finding the Fourth Proportional to 31,509.36, 47,272.20 and 13,974.96

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Solution

The fourth proportional to 31,509.36, 47,272.20 and 13,974.96 is: 20,966.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,509.36 : 47,272.20 = 13,974.96 : x
  2. Step 2: Convert to fraction form
    31,509.36/47,272.20 = 13,974.96/x
  3. Step 3: Cross multiply
    31,509.36x = 47,272.20 × 13,974.96
  4. Step 4: Simplify right side
    31,509.36x = 660,627,104.11
  5. Step 5: Solve for x
    x = 660,627,104.11/31,509.36
  6. Step 6: Final answer
    x = 20,966.06

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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.