Home / 56,165.28-84,183.12-21,082.56

Finding the Fourth Proportional to 56,165.28, 84,183.12 and 21,082.56

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Solution

The fourth proportional to 56,165.28, 84,183.12 and 21,082.56 is: 31,599.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,165.28 : 84,183.12 = 21,082.56 : x
  2. Step 2: Convert to fraction form
    56,165.28/84,183.12 = 21,082.56/x
  3. Step 3: Cross multiply
    56,165.28x = 84,183.12 × 21,082.56
  4. Step 4: Simplify right side
    56,165.28x = 1,774,795,678.39
  5. Step 5: Solve for x
    x = 1,774,795,678.39/56,165.28
  6. Step 6: Final answer
    x = 31,599.52

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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.