Home / 54,841.20-82,205.10-29,828.40

Finding the Fourth Proportional to 54,841.20, 82,205.10 and 29,828.40

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Solution

The fourth proportional to 54,841.20, 82,205.10 and 29,828.40 is: 44,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,841.20 : 82,205.10 = 29,828.40 : x
  2. Step 2: Convert to fraction form
    54,841.20/82,205.10 = 29,828.40/x
  3. Step 3: Cross multiply
    54,841.20x = 82,205.10 × 29,828.40
  4. Step 4: Simplify right side
    54,841.20x = 2,452,046,604.84
  5. Step 5: Solve for x
    x = 2,452,046,604.84/54,841.20
  6. Step 6: Final answer
    x = 44,711.76

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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.