Home / 38,707.21-57,739.42-37,411.48

Finding the Fourth Proportional to 38,707.21, 57,739.42 and 37,411.48

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Solution

The fourth proportional to 38,707.21, 57,739.42 and 37,411.48 is: 55,806.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,707.21 : 57,739.42 = 37,411.48 : x
  2. Step 2: Convert to fraction form
    38,707.21/57,739.42 = 37,411.48/x
  3. Step 3: Cross multiply
    38,707.21x = 57,739.42 × 37,411.48
  4. Step 4: Simplify right side
    38,707.21x = 2,160,117,156.54
  5. Step 5: Solve for x
    x = 2,160,117,156.54/38,707.21
  6. Step 6: Final answer
    x = 55,806.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.