Home / 29,507.13-40,719.32-16,078.50

Finding the Fourth Proportional to 29,507.13, 40,719.32 and 16,078.50

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Solution

The fourth proportional to 29,507.13, 40,719.32 and 16,078.50 is: 22,188.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,507.13 : 40,719.32 = 16,078.50 : x
  2. Step 2: Convert to fraction form
    29,507.13/40,719.32 = 16,078.50/x
  3. Step 3: Cross multiply
    29,507.13x = 40,719.32 × 16,078.50
  4. Step 4: Simplify right side
    29,507.13x = 654,705,586.62
  5. Step 5: Solve for x
    x = 654,705,586.62/29,507.13
  6. Step 6: Final answer
    x = 22,188.05

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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.