Home / 38,236.77-57,355.16-11,943.59

Finding the Fourth Proportional to 38,236.77, 57,355.16 and 11,943.59

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Solution

The fourth proportional to 38,236.77, 57,355.16 and 11,943.59 is: 17,915.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,236.77 : 57,355.16 = 11,943.59 : x
  2. Step 2: Convert to fraction form
    38,236.77/57,355.16 = 11,943.59/x
  3. Step 3: Cross multiply
    38,236.77x = 57,355.16 × 11,943.59
  4. Step 4: Simplify right side
    38,236.77x = 685,026,168.93
  5. Step 5: Solve for x
    x = 685,026,168.93/38,236.77
  6. Step 6: Final answer
    x = 17,915.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.