Home / 30,250.28-45,384.66-15,469.58

Finding the Fourth Proportional to 30,250.28, 45,384.66 and 15,469.58

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Solution

The fourth proportional to 30,250.28, 45,384.66 and 15,469.58 is: 23,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,250.28 : 45,384.66 = 15,469.58 : x
  2. Step 2: Convert to fraction form
    30,250.28/45,384.66 = 15,469.58/x
  3. Step 3: Cross multiply
    30,250.28x = 45,384.66 × 15,469.58
  4. Step 4: Simplify right side
    30,250.28x = 702,081,742.10
  5. Step 5: Solve for x
    x = 702,081,742.10/30,250.28
  6. Step 6: Final answer
    x = 23,209.10

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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.