Home / 38,416.89-57,632.31-18,695.46

Finding the Fourth Proportional to 38,416.89, 57,632.31 and 18,695.46

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Solution

The fourth proportional to 38,416.89, 57,632.31 and 18,695.46 is: 28,046.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,416.89 : 57,632.31 = 18,695.46 : x
  2. Step 2: Convert to fraction form
    38,416.89/57,632.31 = 18,695.46/x
  3. Step 3: Cross multiply
    38,416.89x = 57,632.31 × 18,695.46
  4. Step 4: Simplify right side
    38,416.89x = 1,077,462,546.31
  5. Step 5: Solve for x
    x = 1,077,462,546.31/38,416.89
  6. Step 6: Final answer
    x = 28,046.58

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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.