Home / 56,912.96-85,379.46-19,464.23

Finding the Fourth Proportional to 56,912.96, 85,379.46 and 19,464.23

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Solution

The fourth proportional to 56,912.96, 85,379.46 and 19,464.23 is: 29,199.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,912.96 : 85,379.46 = 19,464.23 : x
  2. Step 2: Convert to fraction form
    56,912.96/85,379.46 = 19,464.23/x
  3. Step 3: Cross multiply
    56,912.96x = 85,379.46 × 19,464.23
  4. Step 4: Simplify right side
    56,912.96x = 1,661,845,446.72
  5. Step 5: Solve for x
    x = 1,661,845,446.72/56,912.96
  6. Step 6: Final answer
    x = 29,199.77

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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.