Home / 30,230.54-41,719.16-16,802.36

Finding the Fourth Proportional to 30,230.54, 41,719.16 and 16,802.36

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Solution

The fourth proportional to 30,230.54, 41,719.16 and 16,802.36 is: 23,187.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,230.54 : 41,719.16 = 16,802.36 : x
  2. Step 2: Convert to fraction form
    30,230.54/41,719.16 = 16,802.36/x
  3. Step 3: Cross multiply
    30,230.54x = 41,719.16 × 16,802.36
  4. Step 4: Simplify right side
    30,230.54x = 700,980,052.61
  5. Step 5: Solve for x
    x = 700,980,052.61/30,230.54
  6. Step 6: Final answer
    x = 23,187.81

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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.