Home / 39,776.73-54,880.68-25,637.76

Finding the Fourth Proportional to 39,776.73, 54,880.68 and 25,637.76

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Solution

The fourth proportional to 39,776.73, 54,880.68 and 25,637.76 is: 35,372.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,776.73 : 54,880.68 = 25,637.76 : x
  2. Step 2: Convert to fraction form
    39,776.73/54,880.68 = 25,637.76/x
  3. Step 3: Cross multiply
    39,776.73x = 54,880.68 × 25,637.76
  4. Step 4: Simplify right side
    39,776.73x = 1,407,017,702.48
  5. Step 5: Solve for x
    x = 1,407,017,702.48/39,776.73
  6. Step 6: Final answer
    x = 35,372.89

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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.