Home / 54,285.22-81,407.84-18,737.49

Finding the Fourth Proportional to 54,285.22, 81,407.84 and 18,737.49

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Solution

The fourth proportional to 54,285.22, 81,407.84 and 18,737.49 is: 28,099.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,285.22 : 81,407.84 = 18,737.49 : x
  2. Step 2: Convert to fraction form
    54,285.22/81,407.84 = 18,737.49/x
  3. Step 3: Cross multiply
    54,285.22x = 81,407.84 × 18,737.49
  4. Step 4: Simplify right side
    54,285.22x = 1,525,378,494.23
  5. Step 5: Solve for x
    x = 1,525,378,494.23/54,285.22
  6. Step 6: Final answer
    x = 28,099.33

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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.