Home / 30,151.11-41,607.81-16,722.24

Finding the Fourth Proportional to 30,151.11, 41,607.81 and 16,722.24

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Solution

The fourth proportional to 30,151.11, 41,607.81 and 16,722.24 is: 23,076.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,151.11 : 41,607.81 = 16,722.24 : x
  2. Step 2: Convert to fraction form
    30,151.11/41,607.81 = 16,722.24/x
  3. Step 3: Cross multiply
    30,151.11x = 41,607.81 × 16,722.24
  4. Step 4: Simplify right side
    30,151.11x = 695,775,784.69
  5. Step 5: Solve for x
    x = 695,775,784.69/30,151.11
  6. Step 6: Final answer
    x = 23,076.29

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1.5x scale

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.