Home / 39,621.36-54,677.16-22,854

Finding the Fourth Proportional to 39,621.36, 54,677.16 and 22,854

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Solution

The fourth proportional to 39,621.36, 54,677.16 and 22,854 is: 31,538.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,621.36 : 54,677.16 = 22,854 : x
  2. Step 2: Convert to fraction form
    39,621.36/54,677.16 = 22,854/x
  3. Step 3: Cross multiply
    39,621.36x = 54,677.16 × 22,854
  4. Step 4: Simplify right side
    39,621.36x = 1,249,591,814.64
  5. Step 5: Solve for x
    x = 1,249,591,814.64/39,621.36
  6. Step 6: Final answer
    x = 31,538.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.