Home / 54,559.20-81,644.40-37,840.80

Finding the Fourth Proportional to 54,559.20, 81,644.40 and 37,840.80

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Solution

The fourth proportional to 54,559.20, 81,644.40 and 37,840.80 is: 56,626.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,559.20 : 81,644.40 = 37,840.80 : x
  2. Step 2: Convert to fraction form
    54,559.20/81,644.40 = 37,840.80/x
  3. Step 3: Cross multiply
    54,559.20x = 81,644.40 × 37,840.80
  4. Step 4: Simplify right side
    54,559.20x = 3,089,489,411.52
  5. Step 5: Solve for x
    x = 3,089,489,411.52/54,559.20
  6. Step 6: Final answer
    x = 56,626.37

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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.