Home / 39,669.57-54,748.85-22,669.92

Finding the Fourth Proportional to 39,669.57, 54,748.85 and 22,669.92

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Solution

The fourth proportional to 39,669.57, 54,748.85 and 22,669.92 is: 31,287.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,669.57 : 54,748.85 = 22,669.92 : x
  2. Step 2: Convert to fraction form
    39,669.57/54,748.85 = 22,669.92/x
  3. Step 3: Cross multiply
    39,669.57x = 54,748.85 × 22,669.92
  4. Step 4: Simplify right side
    39,669.57x = 1,241,151,936.24
  5. Step 5: Solve for x
    x = 1,241,151,936.24/39,669.57
  6. Step 6: Final answer
    x = 31,287.25

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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.