Home / 38,277.36-57,391.11-13,315.50

Finding the Fourth Proportional to 38,277.36, 57,391.11 and 13,315.50

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Solution

The fourth proportional to 38,277.36, 57,391.11 and 13,315.50 is: 19,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,277.36 : 57,391.11 = 13,315.50 : x
  2. Step 2: Convert to fraction form
    38,277.36/57,391.11 = 13,315.50/x
  3. Step 3: Cross multiply
    38,277.36x = 57,391.11 × 13,315.50
  4. Step 4: Simplify right side
    38,277.36x = 764,191,325.21
  5. Step 5: Solve for x
    x = 764,191,325.21/38,277.36
  6. Step 6: Final answer
    x = 19,964.58

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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.