Home / 38,976.37-58,466.64-12,320.34

Finding the Fourth Proportional to 38,976.37, 58,466.64 and 12,320.34

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Solution

The fourth proportional to 38,976.37, 58,466.64 and 12,320.34 is: 18,481.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,976.37 : 58,466.64 = 12,320.34 : x
  2. Step 2: Convert to fraction form
    38,976.37/58,466.64 = 12,320.34/x
  3. Step 3: Cross multiply
    38,976.37x = 58,466.64 × 12,320.34
  4. Step 4: Simplify right side
    38,976.37x = 720,328,883.46
  5. Step 5: Solve for x
    x = 720,328,883.46/38,976.37
  6. Step 6: Final answer
    x = 18,481.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.