Home / 31,483.92-43,446.81-17,143.35

Finding the Fourth Proportional to 31,483.92, 43,446.81 and 17,143.35

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Solution

The fourth proportional to 31,483.92, 43,446.81 and 17,143.35 is: 23,657.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,483.92 : 43,446.81 = 17,143.35 : x
  2. Step 2: Convert to fraction form
    31,483.92/43,446.81 = 17,143.35/x
  3. Step 3: Cross multiply
    31,483.92x = 43,446.81 × 17,143.35
  4. Step 4: Simplify right side
    31,483.92x = 744,823,626.93
  5. Step 5: Solve for x
    x = 744,823,626.93/31,483.92
  6. Step 6: Final answer
    x = 23,657.27

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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.