Home / 31,972.36-47,937.76-13,247.32

Finding the Fourth Proportional to 31,972.36, 47,937.76 and 13,247.32

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Solution

The fourth proportional to 31,972.36, 47,937.76 and 13,247.32 is: 19,862.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,972.36 : 47,937.76 = 13,247.32 : x
  2. Step 2: Convert to fraction form
    31,972.36/47,937.76 = 13,247.32/x
  3. Step 3: Cross multiply
    31,972.36x = 47,937.76 × 13,247.32
  4. Step 4: Simplify right side
    31,972.36x = 635,046,846.80
  5. Step 5: Solve for x
    x = 635,046,846.80/31,972.36
  6. Step 6: Final answer
    x = 19,862.37

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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.