Home / 38,111.94-57,173.31-11,818.89

Finding the Fourth Proportional to 38,111.94, 57,173.31 and 11,818.89

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Solution

The fourth proportional to 38,111.94, 57,173.31 and 11,818.89 is: 17,730.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,111.94 : 57,173.31 = 11,818.89 : x
  2. Step 2: Convert to fraction form
    38,111.94/57,173.31 = 11,818.89/x
  3. Step 3: Cross multiply
    38,111.94x = 57,173.31 × 11,818.89
  4. Step 4: Simplify right side
    38,111.94x = 675,725,061.83
  5. Step 5: Solve for x
    x = 675,725,061.83/38,111.94
  6. Step 6: Final answer
    x = 17,730.01

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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.