Home / 30,153.16-41,610.81-16,724.07

Finding the Fourth Proportional to 30,153.16, 41,610.81 and 16,724.07

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Solution

The fourth proportional to 30,153.16, 41,610.81 and 16,724.07 is: 23,078.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,153.16 : 41,610.81 = 16,724.07 : x
  2. Step 2: Convert to fraction form
    30,153.16/41,610.81 = 16,724.07/x
  3. Step 3: Cross multiply
    30,153.16x = 41,610.81 × 16,724.07
  4. Step 4: Simplify right side
    30,153.16x = 695,902,161.91
  5. Step 5: Solve for x
    x = 695,902,161.91/30,153.16
  6. Step 6: Final answer
    x = 23,078.91

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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.