Home / 54,758.04-82,136.88-13,205.04

Finding the Fourth Proportional to 54,758.04, 82,136.88 and 13,205.04

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Solution

The fourth proportional to 54,758.04, 82,136.88 and 13,205.04 is: 19,807.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,758.04 : 82,136.88 = 13,205.04 : x
  2. Step 2: Convert to fraction form
    54,758.04/82,136.88 = 13,205.04/x
  3. Step 3: Cross multiply
    54,758.04x = 82,136.88 × 13,205.04
  4. Step 4: Simplify right side
    54,758.04x = 1,084,620,785.88
  5. Step 5: Solve for x
    x = 1,084,620,785.88/54,758.04
  6. Step 6: Final answer
    x = 19,807.52

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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.