Home / 30,301.50-41,816.07-17,728.68

Finding the Fourth Proportional to 30,301.50, 41,816.07 and 17,728.68

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Solution

The fourth proportional to 30,301.50, 41,816.07 and 17,728.68 is: 24,465.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,301.50 : 41,816.07 = 17,728.68 : x
  2. Step 2: Convert to fraction form
    30,301.50/41,816.07 = 17,728.68/x
  3. Step 3: Cross multiply
    30,301.50x = 41,816.07 × 17,728.68
  4. Step 4: Simplify right side
    30,301.50x = 741,343,723.89
  5. Step 5: Solve for x
    x = 741,343,723.89/30,301.50
  6. Step 6: Final answer
    x = 24,465.58

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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.