Home / 29,579.90-40,821.91-16,152.40

Finding the Fourth Proportional to 29,579.90, 40,821.91 and 16,152.40

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Solution

The fourth proportional to 29,579.90, 40,821.91 and 16,152.40 is: 22,291.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,579.90 : 40,821.91 = 16,152.40 : x
  2. Step 2: Convert to fraction form
    29,579.90/40,821.91 = 16,152.40/x
  3. Step 3: Cross multiply
    29,579.90x = 40,821.91 × 16,152.40
  4. Step 4: Simplify right side
    29,579.90x = 659,371,819.08
  5. Step 5: Solve for x
    x = 659,371,819.08/29,579.90
  6. Step 6: Final answer
    x = 22,291.22

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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.