Home / 31,261.14-43,143.84-17,835.71

Finding the Fourth Proportional to 31,261.14, 43,143.84 and 17,835.71

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Solution

The fourth proportional to 31,261.14, 43,143.84 and 17,835.71 is: 24,615.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,261.14 : 43,143.84 = 17,835.71 : x
  2. Step 2: Convert to fraction form
    31,261.14/43,143.84 = 17,835.71/x
  3. Step 3: Cross multiply
    31,261.14x = 43,143.84 × 17,835.71
  4. Step 4: Simplify right side
    31,261.14x = 769,500,802.81
  5. Step 5: Solve for x
    x = 769,500,802.81/31,261.14
  6. Step 6: Final answer
    x = 24,615.25

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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.