Home / 31,657.05-43,684.97-17,314.03

Finding the Fourth Proportional to 31,657.05, 43,684.97 and 17,314.03

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Solution

The fourth proportional to 31,657.05, 43,684.97 and 17,314.03 is: 23,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,657.05 : 43,684.97 = 17,314.03 : x
  2. Step 2: Convert to fraction form
    31,657.05/43,684.97 = 17,314.03/x
  3. Step 3: Cross multiply
    31,657.05x = 43,684.97 × 17,314.03
  4. Step 4: Simplify right side
    31,657.05x = 756,362,881.13
  5. Step 5: Solve for x
    x = 756,362,881.13/31,657.05
  6. Step 6: Final answer
    x = 23,892.40

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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.