Home / 30,233.36-41,719.13-16,803.81

Finding the Fourth Proportional to 30,233.36, 41,719.13 and 16,803.81

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Solution

The fourth proportional to 30,233.36, 41,719.13 and 16,803.81 is: 23,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,233.36 : 41,719.13 = 16,803.81 : x
  2. Step 2: Convert to fraction form
    30,233.36/41,719.13 = 16,803.81/x
  3. Step 3: Cross multiply
    30,233.36x = 41,719.13 × 16,803.81
  4. Step 4: Simplify right side
    30,233.36x = 701,040,312.88
  5. Step 5: Solve for x
    x = 701,040,312.88/30,233.36
  6. Step 6: Final answer
    x = 23,187.64

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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.