Home / 39,582.14-54,621.41-21,677.22

Finding the Fourth Proportional to 39,582.14, 54,621.41 and 21,677.22

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Solution

The fourth proportional to 39,582.14, 54,621.41 and 21,677.22 is: 29,913.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,582.14 : 54,621.41 = 21,677.22 : x
  2. Step 2: Convert to fraction form
    39,582.14/54,621.41 = 21,677.22/x
  3. Step 3: Cross multiply
    39,582.14x = 54,621.41 × 21,677.22
  4. Step 4: Simplify right side
    39,582.14x = 1,184,040,212.89
  5. Step 5: Solve for x
    x = 1,184,040,212.89/39,582.14
  6. Step 6: Final answer
    x = 29,913.50

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1.5x scale

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.