Home / 31,221.29-43,093.40-19,277.77

Finding the Fourth Proportional to 31,221.29, 43,093.40 and 19,277.77

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Solution

The fourth proportional to 31,221.29, 43,093.40 and 19,277.77 is: 26,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,221.29 : 43,093.40 = 19,277.77 : x
  2. Step 2: Convert to fraction form
    31,221.29/43,093.40 = 19,277.77/x
  3. Step 3: Cross multiply
    31,221.29x = 43,093.40 × 19,277.77
  4. Step 4: Simplify right side
    31,221.29x = 830,744,653.72
  5. Step 5: Solve for x
    x = 830,744,653.72/31,221.29
  6. Step 6: Final answer
    x = 26,608.27

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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.