Home / 31,720.14-43,774.56-17,574.03

Finding the Fourth Proportional to 31,720.14, 43,774.56 and 17,574.03

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Solution

The fourth proportional to 31,720.14, 43,774.56 and 17,574.03 is: 24,252.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,720.14 : 43,774.56 = 17,574.03 : x
  2. Step 2: Convert to fraction form
    31,720.14/43,774.56 = 17,574.03/x
  3. Step 3: Cross multiply
    31,720.14x = 43,774.56 × 17,574.03
  4. Step 4: Simplify right side
    31,720.14x = 769,295,430.68
  5. Step 5: Solve for x
    x = 769,295,430.68/31,720.14
  6. Step 6: Final answer
    x = 24,252.59

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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.