Home / 38,116.79-57,227.54-19,409.39

Finding the Fourth Proportional to 38,116.79, 57,227.54 and 19,409.39

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Solution

The fourth proportional to 38,116.79, 57,227.54 and 19,409.39 is: 29,140.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,116.79 : 57,227.54 = 19,409.39 : x
  2. Step 2: Convert to fraction form
    38,116.79/57,227.54 = 19,409.39/x
  3. Step 3: Cross multiply
    38,116.79x = 57,227.54 × 19,409.39
  4. Step 4: Simplify right side
    38,116.79x = 1,110,751,642.60
  5. Step 5: Solve for x
    x = 1,110,751,642.60/38,116.79
  6. Step 6: Final answer
    x = 29,140.74

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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.