Home / 31,743.92-43,807.10-17,405.06

Finding the Fourth Proportional to 31,743.92, 43,807.10 and 17,405.06

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Solution

The fourth proportional to 31,743.92, 43,807.10 and 17,405.06 is: 24,019.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,743.92 : 43,807.10 = 17,405.06 : x
  2. Step 2: Convert to fraction form
    31,743.92/43,807.10 = 17,405.06/x
  3. Step 3: Cross multiply
    31,743.92x = 43,807.10 × 17,405.06
  4. Step 4: Simplify right side
    31,743.92x = 762,464,897.87
  5. Step 5: Solve for x
    x = 762,464,897.87/31,743.92
  6. Step 6: Final answer
    x = 24,019.25

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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.