Home / 31,334.04-43,238.16-17,905.26

Finding the Fourth Proportional to 31,334.04, 43,238.16 and 17,905.26

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Solution

The fourth proportional to 31,334.04, 43,238.16 and 17,905.26 is: 24,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,334.04 : 43,238.16 = 17,905.26 : x
  2. Step 2: Convert to fraction form
    31,334.04/43,238.16 = 17,905.26/x
  3. Step 3: Cross multiply
    31,334.04x = 43,238.16 × 17,905.26
  4. Step 4: Simplify right side
    31,334.04x = 774,190,496.72
  5. Step 5: Solve for x
    x = 774,190,496.72/31,334.04
  6. Step 6: Final answer
    x = 24,707.65

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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.