Home / 38,055.47-57,080.75-13,107.47

Finding the Fourth Proportional to 38,055.47, 57,080.75 and 13,107.47

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Solution

The fourth proportional to 38,055.47, 57,080.75 and 13,107.47 is: 19,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,055.47 : 57,080.75 = 13,107.47 : x
  2. Step 2: Convert to fraction form
    38,055.47/57,080.75 = 13,107.47/x
  3. Step 3: Cross multiply
    38,055.47x = 57,080.75 × 13,107.47
  4. Step 4: Simplify right side
    38,055.47x = 748,183,867.26
  5. Step 5: Solve for x
    x = 748,183,867.26/38,055.47
  6. Step 6: Final answer
    x = 19,660.35

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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.