Home / 54,690.24-82,039.38-19,630.20

Finding the Fourth Proportional to 54,690.24, 82,039.38 and 19,630.20

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Solution

The fourth proportional to 54,690.24, 82,039.38 and 19,630.20 is: 29,446.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,690.24 : 82,039.38 = 19,630.20 : x
  2. Step 2: Convert to fraction form
    54,690.24/82,039.38 = 19,630.20/x
  3. Step 3: Cross multiply
    54,690.24x = 82,039.38 × 19,630.20
  4. Step 4: Simplify right side
    54,690.24x = 1,610,449,437.28
  5. Step 5: Solve for x
    x = 1,610,449,437.28/54,690.24
  6. Step 6: Final answer
    x = 29,446.74

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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.