Home / 38,781.38-53,504.66-25,360.48

Finding the Fourth Proportional to 38,781.38, 53,504.66 and 25,360.48

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Solution

The fourth proportional to 38,781.38, 53,504.66 and 25,360.48 is: 34,988.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,781.38 : 53,504.66 = 25,360.48 : x
  2. Step 2: Convert to fraction form
    38,781.38/53,504.66 = 25,360.48/x
  3. Step 3: Cross multiply
    38,781.38x = 53,504.66 × 25,360.48
  4. Step 4: Simplify right side
    38,781.38x = 1,356,903,859.84
  5. Step 5: Solve for x
    x = 1,356,903,859.84/38,781.38
  6. Step 6: Final answer
    x = 34,988.54

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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.