Home / 31,519.33-47,277.63-7,826.32

Finding the Fourth Proportional to 31,519.33, 47,277.63 and 7,826.32

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Solution

The fourth proportional to 31,519.33, 47,277.63 and 7,826.32 is: 11,739.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.33 : 47,277.63 = 7,826.32 : x
  2. Step 2: Convert to fraction form
    31,519.33/47,277.63 = 7,826.32/x
  3. Step 3: Cross multiply
    31,519.33x = 47,277.63 × 7,826.32
  4. Step 4: Simplify right side
    31,519.33x = 370,009,920.32
  5. Step 5: Solve for x
    x = 370,009,920.32/31,519.33
  6. Step 6: Final answer
    x = 11,739.14

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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.