Home / 54,746.21-82,119.13-13,193.21

Finding the Fourth Proportional to 54,746.21, 82,119.13 and 13,193.21

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Solution

The fourth proportional to 54,746.21, 82,119.13 and 13,193.21 is: 19,789.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,746.21 : 82,119.13 = 13,193.21 : x
  2. Step 2: Convert to fraction form
    54,746.21/82,119.13 = 13,193.21/x
  3. Step 3: Cross multiply
    54,746.21x = 82,119.13 × 13,193.21
  4. Step 4: Simplify right side
    54,746.21x = 1,083,414,927.11
  5. Step 5: Solve for x
    x = 1,083,414,927.11/54,746.21
  6. Step 6: Final answer
    x = 19,789.77

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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.