Home / 38,103.66-57,159.54-11,810.46

Finding the Fourth Proportional to 38,103.66, 57,159.54 and 11,810.46

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Solution

The fourth proportional to 38,103.66, 57,159.54 and 11,810.46 is: 17,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,103.66 : 57,159.54 = 11,810.46 : x
  2. Step 2: Convert to fraction form
    38,103.66/57,159.54 = 11,810.46/x
  3. Step 3: Cross multiply
    38,103.66x = 57,159.54 × 11,810.46
  4. Step 4: Simplify right side
    38,103.66x = 675,080,460.79
  5. Step 5: Solve for x
    x = 675,080,460.79/38,103.66
  6. Step 6: Final answer
    x = 17,716.95

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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.