Home / 31,258.19-43,136.34-17,829.09

Finding the Fourth Proportional to 31,258.19, 43,136.34 and 17,829.09

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Solution

The fourth proportional to 31,258.19, 43,136.34 and 17,829.09 is: 24,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,258.19 : 43,136.34 = 17,829.09 : x
  2. Step 2: Convert to fraction form
    31,258.19/43,136.34 = 17,829.09/x
  3. Step 3: Cross multiply
    31,258.19x = 43,136.34 × 17,829.09
  4. Step 4: Simplify right side
    31,258.19x = 769,081,688.13
  5. Step 5: Solve for x
    x = 769,081,688.13/31,258.19
  6. Step 6: Final answer
    x = 24,604.17

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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.