Home / 54,539.20-81,614.40-37,820.80

Finding the Fourth Proportional to 54,539.20, 81,614.40 and 37,820.80

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Solution

The fourth proportional to 54,539.20, 81,614.40 and 37,820.80 is: 56,596.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,539.20 : 81,614.40 = 37,820.80 : x
  2. Step 2: Convert to fraction form
    54,539.20/81,614.40 = 37,820.80/x
  3. Step 3: Cross multiply
    54,539.20x = 81,614.40 × 37,820.80
  4. Step 4: Simplify right side
    54,539.20x = 3,086,721,899.52
  5. Step 5: Solve for x
    x = 3,086,721,899.52/54,539.20
  6. Step 6: Final answer
    x = 56,596.39

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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.