Home / 31,949.36-47,903.34-13,224.32

Finding the Fourth Proportional to 31,949.36, 47,903.34 and 13,224.32

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Solution

The fourth proportional to 31,949.36, 47,903.34 and 13,224.32 is: 19,827.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,949.36 : 47,903.34 = 13,224.32 : x
  2. Step 2: Convert to fraction form
    31,949.36/47,903.34 = 13,224.32/x
  3. Step 3: Cross multiply
    31,949.36x = 47,903.34 × 13,224.32
  4. Step 4: Simplify right side
    31,949.36x = 633,489,097.23
  5. Step 5: Solve for x
    x = 633,489,097.23/31,949.36
  6. Step 6: Final answer
    x = 19,827.91

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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.