Home / 45,411.75-68,128.56-14,247

Finding the Fourth Proportional to 45,411.75, 68,128.56 and 14,247

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Solution

The fourth proportional to 45,411.75, 68,128.56 and 14,247 is: 21,373.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,411.75 : 68,128.56 = 14,247 : x
  2. Step 2: Convert to fraction form
    45,411.75/68,128.56 = 14,247/x
  3. Step 3: Cross multiply
    45,411.75x = 68,128.56 × 14,247
  4. Step 4: Simplify right side
    45,411.75x = 970,627,594.32
  5. Step 5: Solve for x
    x = 970,627,594.32/45,411.75
  6. Step 6: Final answer
    x = 21,373.93

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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.