Home / 33,230.20-45,858.18-18,123.16

Finding the Fourth Proportional to 33,230.20, 45,858.18 and 18,123.16

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Solution

The fourth proportional to 33,230.20, 45,858.18 and 18,123.16 is: 25,010.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,230.20 : 45,858.18 = 18,123.16 : x
  2. Step 2: Convert to fraction form
    33,230.20/45,858.18 = 18,123.16/x
  3. Step 3: Cross multiply
    33,230.20x = 45,858.18 × 18,123.16
  4. Step 4: Simplify right side
    33,230.20x = 831,095,133.45
  5. Step 5: Solve for x
    x = 831,095,133.45/33,230.20
  6. Step 6: Final answer
    x = 25,010.24

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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.