Home / 39,868.96-55,009.08-25,327.84

Finding the Fourth Proportional to 39,868.96, 55,009.08 and 25,327.84

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Solution

The fourth proportional to 39,868.96, 55,009.08 and 25,327.84 is: 34,946.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,868.96 : 55,009.08 = 25,327.84 : x
  2. Step 2: Convert to fraction form
    39,868.96/55,009.08 = 25,327.84/x
  3. Step 3: Cross multiply
    39,868.96x = 55,009.08 × 25,327.84
  4. Step 4: Simplify right side
    39,868.96x = 1,393,261,176.79
  5. Step 5: Solve for x
    x = 1,393,261,176.79/39,868.96
  6. Step 6: Final answer
    x = 34,946.01

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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.