Home / 31,837.86-43,935.93-17,690.40

Finding the Fourth Proportional to 31,837.86, 43,935.93 and 17,690.40

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Solution

The fourth proportional to 31,837.86, 43,935.93 and 17,690.40 is: 24,412.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,837.86 : 43,935.93 = 17,690.40 : x
  2. Step 2: Convert to fraction form
    31,837.86/43,935.93 = 17,690.40/x
  3. Step 3: Cross multiply
    31,837.86x = 43,935.93 × 17,690.40
  4. Step 4: Simplify right side
    31,837.86x = 777,244,176.07
  5. Step 5: Solve for x
    x = 777,244,176.07/31,837.86
  6. Step 6: Final answer
    x = 24,412.58

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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.