Home / 31,845.47-43,945.67-17,698.01

Finding the Fourth Proportional to 31,845.47, 43,945.67 and 17,698.01

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Solution

The fourth proportional to 31,845.47, 43,945.67 and 17,698.01 is: 24,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,845.47 : 43,945.67 = 17,698.01 : x
  2. Step 2: Convert to fraction form
    31,845.47/43,945.67 = 17,698.01/x
  3. Step 3: Cross multiply
    31,845.47x = 43,945.67 × 17,698.01
  4. Step 4: Simplify right side
    31,845.47x = 777,750,731.63
  5. Step 5: Solve for x
    x = 777,750,731.63/31,845.47
  6. Step 6: Final answer
    x = 24,422.65

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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.