Home / 31,684.18-43,729.59-18,253.03

Finding the Fourth Proportional to 31,684.18, 43,729.59 and 18,253.03

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Solution

The fourth proportional to 31,684.18, 43,729.59 and 18,253.03 is: 25,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,684.18 : 43,729.59 = 18,253.03 : x
  2. Step 2: Convert to fraction form
    31,684.18/43,729.59 = 18,253.03/x
  3. Step 3: Cross multiply
    31,684.18x = 43,729.59 × 18,253.03
  4. Step 4: Simplify right side
    31,684.18x = 798,197,518.16
  5. Step 5: Solve for x
    x = 798,197,518.16/31,684.18
  6. Step 6: Final answer
    x = 25,192.30

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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.