Home / 30,579.20-45,838.56-14,755.04

Finding the Fourth Proportional to 30,579.20, 45,838.56 and 14,755.04

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Solution

The fourth proportional to 30,579.20, 45,838.56 and 14,755.04 is: 22,117.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579.20 : 45,838.56 = 14,755.04 : x
  2. Step 2: Convert to fraction form
    30,579.20/45,838.56 = 14,755.04/x
  3. Step 3: Cross multiply
    30,579.20x = 45,838.56 × 14,755.04
  4. Step 4: Simplify right side
    30,579.20x = 676,349,786.34
  5. Step 5: Solve for x
    x = 676,349,786.34/30,579.20
  6. Step 6: Final answer
    x = 22,117.97

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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.