Home / 31,239.14-43,111.08-17,091.98

Finding the Fourth Proportional to 31,239.14, 43,111.08 and 17,091.98

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Solution

The fourth proportional to 31,239.14, 43,111.08 and 17,091.98 is: 23,587.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,239.14 : 43,111.08 = 17,091.98 : x
  2. Step 2: Convert to fraction form
    31,239.14/43,111.08 = 17,091.98/x
  3. Step 3: Cross multiply
    31,239.14x = 43,111.08 × 17,091.98
  4. Step 4: Simplify right side
    31,239.14x = 736,853,501.58
  5. Step 5: Solve for x
    x = 736,853,501.58/31,239.14
  6. Step 6: Final answer
    x = 23,587.51

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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.