Home / 30,015.56-41,422.92-18,082.64

Finding the Fourth Proportional to 30,015.56, 41,422.92 and 18,082.64

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Solution

The fourth proportional to 30,015.56, 41,422.92 and 18,082.64 is: 24,954.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,015.56 : 41,422.92 = 18,082.64 : x
  2. Step 2: Convert to fraction form
    30,015.56/41,422.92 = 18,082.64/x
  3. Step 3: Cross multiply
    30,015.56x = 41,422.92 × 18,082.64
  4. Step 4: Simplify right side
    30,015.56x = 749,035,750.11
  5. Step 5: Solve for x
    x = 749,035,750.11/30,015.56
  6. Step 6: Final answer
    x = 24,954.92

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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.