Home / 54,941.04-82,411.56-19,879.92

Finding the Fourth Proportional to 54,941.04, 82,411.56 and 19,879.92

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Solution

The fourth proportional to 54,941.04, 82,411.56 and 19,879.92 is: 29,819.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,941.04 : 82,411.56 = 19,879.92 : x
  2. Step 2: Convert to fraction form
    54,941.04/82,411.56 = 19,879.92/x
  3. Step 3: Cross multiply
    54,941.04x = 82,411.56 × 19,879.92
  4. Step 4: Simplify right side
    54,941.04x = 1,638,335,219.88
  5. Step 5: Solve for x
    x = 1,638,335,219.88/54,941.04
  6. Step 6: Final answer
    x = 29,819.88

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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.