Home / 56,758.88-85,085.39-19,293.35

Finding the Fourth Proportional to 56,758.88, 85,085.39 and 19,293.35

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Solution

The fourth proportional to 56,758.88, 85,085.39 and 19,293.35 is: 28,922.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,758.88 : 85,085.39 = 19,293.35 : x
  2. Step 2: Convert to fraction form
    56,758.88/85,085.39 = 19,293.35/x
  3. Step 3: Cross multiply
    56,758.88x = 85,085.39 × 19,293.35
  4. Step 4: Simplify right side
    56,758.88x = 1,641,581,687.26
  5. Step 5: Solve for x
    x = 1,641,581,687.26/56,758.88
  6. Step 6: Final answer
    x = 28,922.03

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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.