Home / 30,239.73-45,360.21-11,004.82

Finding the Fourth Proportional to 30,239.73, 45,360.21 and 11,004.82

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Solution

The fourth proportional to 30,239.73, 45,360.21 and 11,004.82 is: 16,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,239.73 : 45,360.21 = 11,004.82 : x
  2. Step 2: Convert to fraction form
    30,239.73/45,360.21 = 11,004.82/x
  3. Step 3: Cross multiply
    30,239.73x = 45,360.21 × 11,004.82
  4. Step 4: Simplify right side
    30,239.73x = 499,180,719.41
  5. Step 5: Solve for x
    x = 499,180,719.41/30,239.73
  6. Step 6: Final answer
    x = 16,507.45

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1.5x scale

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.