Home / 39,399.86-54,369.58-22,401.74

Finding the Fourth Proportional to 39,399.86, 54,369.58 and 22,401.74

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Solution

The fourth proportional to 39,399.86, 54,369.58 and 22,401.74 is: 30,913.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,399.86 : 54,369.58 = 22,401.74 : x
  2. Step 2: Convert to fraction form
    39,399.86/54,369.58 = 22,401.74/x
  3. Step 3: Cross multiply
    39,399.86x = 54,369.58 × 22,401.74
  4. Step 4: Simplify right side
    39,399.86x = 1,217,973,195.07
  5. Step 5: Solve for x
    x = 1,217,973,195.07/39,399.86
  6. Step 6: Final answer
    x = 30,913.14

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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.