Home / 56,724.75-85,126.01-19,788.75

Finding the Fourth Proportional to 56,724.75, 85,126.01 and 19,788.75

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Solution

The fourth proportional to 56,724.75, 85,126.01 and 19,788.75 is: 29,696.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,724.75 : 85,126.01 = 19,788.75 : x
  2. Step 2: Convert to fraction form
    56,724.75/85,126.01 = 19,788.75/x
  3. Step 3: Cross multiply
    56,724.75x = 85,126.01 × 19,788.75
  4. Step 4: Simplify right side
    56,724.75x = 1,684,537,231.44
  5. Step 5: Solve for x
    x = 1,684,537,231.44/56,724.75
  6. Step 6: Final answer
    x = 29,696.69

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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.