Home / 31,345.03-43,246.56-18,600.31

Finding the Fourth Proportional to 31,345.03, 43,246.56 and 18,600.31

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Solution

The fourth proportional to 31,345.03, 43,246.56 and 18,600.31 is: 25,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,345.03 : 43,246.56 = 18,600.31 : x
  2. Step 2: Convert to fraction form
    31,345.03/43,246.56 = 18,600.31/x
  3. Step 3: Cross multiply
    31,345.03x = 43,246.56 × 18,600.31
  4. Step 4: Simplify right side
    31,345.03x = 804,399,422.43
  5. Step 5: Solve for x
    x = 804,399,422.43/31,345.03
  6. Step 6: Final answer
    x = 25,662.74

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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.