Home / 38,845.92-58,274.64-14,220

Finding the Fourth Proportional to 38,845.92, 58,274.64 and 14,220

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Solution

The fourth proportional to 38,845.92, 58,274.64 and 14,220 is: 21,332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,845.92 : 58,274.64 = 14,220 : x
  2. Step 2: Convert to fraction form
    38,845.92/58,274.64 = 14,220/x
  3. Step 3: Cross multiply
    38,845.92x = 58,274.64 × 14,220
  4. Step 4: Simplify right side
    38,845.92x = 828,665,380.80
  5. Step 5: Solve for x
    x = 828,665,380.80/38,845.92
  6. Step 6: Final answer
    x = 21,332.11

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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.