Home / 31,724.03-43,778.93-18,295.17

Finding the Fourth Proportional to 31,724.03, 43,778.93 and 18,295.17

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Solution

The fourth proportional to 31,724.03, 43,778.93 and 18,295.17 is: 25,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,724.03 : 43,778.93 = 18,295.17 : x
  2. Step 2: Convert to fraction form
    31,724.03/43,778.93 = 18,295.17/x
  3. Step 3: Cross multiply
    31,724.03x = 43,778.93 × 18,295.17
  4. Step 4: Simplify right side
    31,724.03x = 800,942,875.29
  5. Step 5: Solve for x
    x = 800,942,875.29/31,724.03
  6. Step 6: Final answer
    x = 25,247.20

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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.