Home / 31,239.95-43,111.17-17,092.89

Finding the Fourth Proportional to 31,239.95, 43,111.17 and 17,092.89

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Solution

The fourth proportional to 31,239.95, 43,111.17 and 17,092.89 is: 23,588.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,239.95 : 43,111.17 = 17,092.89 : x
  2. Step 2: Convert to fraction form
    31,239.95/43,111.17 = 17,092.89/x
  3. Step 3: Cross multiply
    31,239.95x = 43,111.17 × 17,092.89
  4. Step 4: Simplify right side
    31,239.95x = 736,894,486.58
  5. Step 5: Solve for x
    x = 736,894,486.58/31,239.95
  6. Step 6: Final answer
    x = 23,588.21

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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.