Home / 54,621.86-81,981.63-27,986.02

Finding the Fourth Proportional to 54,621.86, 81,981.63 and 27,986.02

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Solution

The fourth proportional to 54,621.86, 81,981.63 and 27,986.02 is: 42,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,621.86 : 81,981.63 = 27,986.02 : x
  2. Step 2: Convert to fraction form
    54,621.86/81,981.63 = 27,986.02/x
  3. Step 3: Cross multiply
    54,621.86x = 81,981.63 × 27,986.02
  4. Step 4: Simplify right side
    54,621.86x = 2,294,339,536.81
  5. Step 5: Solve for x
    x = 2,294,339,536.81/54,621.86
  6. Step 6: Final answer
    x = 42,004.05

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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.