Home / 54,861.12-82,277.28-19,794.24

Finding the Fourth Proportional to 54,861.12, 82,277.28 and 19,794.24

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Solution

The fourth proportional to 54,861.12, 82,277.28 and 19,794.24 is: 29,686.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,861.12 : 82,277.28 = 19,794.24 : x
  2. Step 2: Convert to fraction form
    54,861.12/82,277.28 = 19,794.24/x
  3. Step 3: Cross multiply
    54,861.12x = 82,277.28 × 19,794.24
  4. Step 4: Simplify right side
    54,861.12x = 1,628,616,226.87
  5. Step 5: Solve for x
    x = 1,628,616,226.87/54,861.12
  6. Step 6: Final answer
    x = 29,686.16

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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.