Home / 55,215.44-82,836.40-17,779.04

Finding the Fourth Proportional to 55,215.44, 82,836.40 and 17,779.04

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Solution

The fourth proportional to 55,215.44, 82,836.40 and 17,779.04 is: 26,672.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,215.44 : 82,836.40 = 17,779.04 : x
  2. Step 2: Convert to fraction form
    55,215.44/82,836.40 = 17,779.04/x
  3. Step 3: Cross multiply
    55,215.44x = 82,836.40 × 17,779.04
  4. Step 4: Simplify right side
    55,215.44x = 1,472,751,669.06
  5. Step 5: Solve for x
    x = 1,472,751,669.06/55,215.44
  6. Step 6: Final answer
    x = 26,672.82

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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.