Home / 39,078.45-53,933.85-22,087.89

Finding the Fourth Proportional to 39,078.45, 53,933.85 and 22,087.89

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Solution

The fourth proportional to 39,078.45, 53,933.85 and 22,087.89 is: 30,484.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,078.45 : 53,933.85 = 22,087.89 : x
  2. Step 2: Convert to fraction form
    39,078.45/53,933.85 = 22,087.89/x
  3. Step 3: Cross multiply
    39,078.45x = 53,933.85 × 22,087.89
  4. Step 4: Simplify right side
    39,078.45x = 1,191,284,946.08
  5. Step 5: Solve for x
    x = 1,191,284,946.08/39,078.45
  6. Step 6: Final answer
    x = 30,484.45

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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.