Home / 54,965.58-82,484.01-19,902.30

Finding the Fourth Proportional to 54,965.58, 82,484.01 and 19,902.30

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Solution

The fourth proportional to 54,965.58, 82,484.01 and 19,902.30 is: 29,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,965.58 : 82,484.01 = 19,902.30 : x
  2. Step 2: Convert to fraction form
    54,965.58/82,484.01 = 19,902.30/x
  3. Step 3: Cross multiply
    54,965.58x = 82,484.01 × 19,902.30
  4. Step 4: Simplify right side
    54,965.58x = 1,641,621,512.22
  5. Step 5: Solve for x
    x = 1,641,621,512.22/54,965.58
  6. Step 6: Final answer
    x = 29,866.35

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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.