Home / 31,534.32-47,268.60-11,804.28

Finding the Fourth Proportional to 31,534.32, 47,268.60 and 11,804.28

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Solution

The fourth proportional to 31,534.32, 47,268.60 and 11,804.28 is: 17,694.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,534.32 : 47,268.60 = 11,804.28 : x
  2. Step 2: Convert to fraction form
    31,534.32/47,268.60 = 11,804.28/x
  3. Step 3: Cross multiply
    31,534.32x = 47,268.60 × 11,804.28
  4. Step 4: Simplify right side
    31,534.32x = 557,971,789.61
  5. Step 5: Solve for x
    x = 557,971,789.61/31,534.32
  6. Step 6: Final answer
    x = 17,694.11

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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.