Home / 31,347.05-43,258.59-17,199.89

Finding the Fourth Proportional to 31,347.05, 43,258.59 and 17,199.89

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Solution

The fourth proportional to 31,347.05, 43,258.59 and 17,199.89 is: 23,735.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,347.05 : 43,258.59 = 17,199.89 : x
  2. Step 2: Convert to fraction form
    31,347.05/43,258.59 = 17,199.89/x
  3. Step 3: Cross multiply
    31,347.05x = 43,258.59 × 17,199.89
  4. Step 4: Simplify right side
    31,347.05x = 744,042,989.56
  5. Step 5: Solve for x
    x = 744,042,989.56/31,347.05
  6. Step 6: Final answer
    x = 23,735.66

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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.