Home / 29,153.38-43,719.34-10,428.34

Finding the Fourth Proportional to 29,153.38, 43,719.34 and 10,428.34

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Solution

The fourth proportional to 29,153.38, 43,719.34 and 10,428.34 is: 15,638.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,153.38 : 43,719.34 = 10,428.34 : x
  2. Step 2: Convert to fraction form
    29,153.38/43,719.34 = 10,428.34/x
  3. Step 3: Cross multiply
    29,153.38x = 43,719.34 × 10,428.34
  4. Step 4: Simplify right side
    29,153.38x = 455,920,142.10
  5. Step 5: Solve for x
    x = 455,920,142.10/29,153.38
  6. Step 6: Final answer
    x = 15,638.67

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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.