Home / 57,494.90-86,220.84-20,045.36

Finding the Fourth Proportional to 57,494.90, 86,220.84 and 20,045.36

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Solution

The fourth proportional to 57,494.90, 86,220.84 and 20,045.36 is: 30,060.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,494.90 : 86,220.84 = 20,045.36 : x
  2. Step 2: Convert to fraction form
    57,494.90/86,220.84 = 20,045.36/x
  3. Step 3: Cross multiply
    57,494.90x = 86,220.84 × 20,045.36
  4. Step 4: Simplify right side
    57,494.90x = 1,728,327,777.30
  5. Step 5: Solve for x
    x = 1,728,327,777.30/57,494.90
  6. Step 6: Final answer
    x = 30,060.54

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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.