Home / 36,621.32-54,921.18-19,082.12

Finding the Fourth Proportional to 36,621.32, 54,921.18 and 19,082.12

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Solution

The fourth proportional to 36,621.32, 54,921.18 and 19,082.12 is: 28,617.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,621.32 : 54,921.18 = 19,082.12 : x
  2. Step 2: Convert to fraction form
    36,621.32/54,921.18 = 19,082.12/x
  3. Step 3: Cross multiply
    36,621.32x = 54,921.18 × 19,082.12
  4. Step 4: Simplify right side
    36,621.32x = 1,048,012,547.30
  5. Step 5: Solve for x
    x = 1,048,012,547.30/36,621.32
  6. Step 6: Final answer
    x = 28,617.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.