Home / 54,477.96-81,643.12-28,201.15

Finding the Fourth Proportional to 54,477.96, 81,643.12 and 28,201.15

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Solution

The fourth proportional to 54,477.96, 81,643.12 and 28,201.15 is: 42,263.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,477.96 : 81,643.12 = 28,201.15 : x
  2. Step 2: Convert to fraction form
    54,477.96/81,643.12 = 28,201.15/x
  3. Step 3: Cross multiply
    54,477.96x = 81,643.12 × 28,201.15
  4. Step 4: Simplify right side
    54,477.96x = 2,302,429,873.59
  5. Step 5: Solve for x
    x = 2,302,429,873.59/54,477.96
  6. Step 6: Final answer
    x = 42,263.51

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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.