Home / 39,582.27-54,622.96-21,677.22

Finding the Fourth Proportional to 39,582.27, 54,622.96 and 21,677.22

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Solution

The fourth proportional to 39,582.27, 54,622.96 and 21,677.22 is: 29,914.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,582.27 : 54,622.96 = 21,677.22 : x
  2. Step 2: Convert to fraction form
    39,582.27/54,622.96 = 21,677.22/x
  3. Step 3: Cross multiply
    39,582.27x = 54,622.96 × 21,677.22
  4. Step 4: Simplify right side
    39,582.27x = 1,184,073,866.78
  5. Step 5: Solve for x
    x = 1,184,073,866.78/39,582.27
  6. Step 6: Final answer
    x = 29,914.25

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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.