Home / 38,190.74-57,218.34-15,955.18

Finding the Fourth Proportional to 38,190.74, 57,218.34 and 15,955.18

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Solution

The fourth proportional to 38,190.74, 57,218.34 and 15,955.18 is: 23,904.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,190.74 : 57,218.34 = 15,955.18 : x
  2. Step 2: Convert to fraction form
    38,190.74/57,218.34 = 15,955.18/x
  3. Step 3: Cross multiply
    38,190.74x = 57,218.34 × 15,955.18
  4. Step 4: Simplify right side
    38,190.74x = 912,928,914.00
  5. Step 5: Solve for x
    x = 912,928,914.00/38,190.74
  6. Step 6: Final answer
    x = 23,904.46

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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.