Home / 54,731.20-82,096.80-19,674.40

Finding the Fourth Proportional to 54,731.20, 82,096.80 and 19,674.40

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Solution

The fourth proportional to 54,731.20, 82,096.80 and 19,674.40 is: 29,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,731.20 : 82,096.80 = 19,674.40 : x
  2. Step 2: Convert to fraction form
    54,731.20/82,096.80 = 19,674.40/x
  3. Step 3: Cross multiply
    54,731.20x = 82,096.80 × 19,674.40
  4. Step 4: Simplify right side
    54,731.20x = 1,615,205,281.92
  5. Step 5: Solve for x
    x = 1,615,205,281.92/54,731.20
  6. Step 6: Final answer
    x = 29,511.60

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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.