Home / 31,973.22-44,103.48-21,218.64

Finding the Fourth Proportional to 31,973.22, 44,103.48 and 21,218.64

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Solution

The fourth proportional to 31,973.22, 44,103.48 and 21,218.64 is: 29,268.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,973.22 : 44,103.48 = 21,218.64 : x
  2. Step 2: Convert to fraction form
    31,973.22/44,103.48 = 21,218.64/x
  3. Step 3: Cross multiply
    31,973.22x = 44,103.48 × 21,218.64
  4. Step 4: Simplify right side
    31,973.22x = 935,815,864.87
  5. Step 5: Solve for x
    x = 935,815,864.87/31,973.22
  6. Step 6: Final answer
    x = 29,268.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.