Home / 31,177.04-43,010.62-19,078.10

Finding the Fourth Proportional to 31,177.04, 43,010.62 and 19,078.10

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Solution

The fourth proportional to 31,177.04, 43,010.62 and 19,078.10 is: 26,319.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177.04 : 43,010.62 = 19,078.10 : x
  2. Step 2: Convert to fraction form
    31,177.04/43,010.62 = 19,078.10/x
  3. Step 3: Cross multiply
    31,177.04x = 43,010.62 × 19,078.10
  4. Step 4: Simplify right side
    31,177.04x = 820,560,814.03
  5. Step 5: Solve for x
    x = 820,560,814.03/31,177.04
  6. Step 6: Final answer
    x = 26,319.39

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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.