Home / 32,950.14-49,424.73-7,990.40

Finding the Fourth Proportional to 32,950.14, 49,424.73 and 7,990.40

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Solution

The fourth proportional to 32,950.14, 49,424.73 and 7,990.40 is: 11,985.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,950.14 : 49,424.73 = 7,990.40 : x
  2. Step 2: Convert to fraction form
    32,950.14/49,424.73 = 7,990.40/x
  3. Step 3: Cross multiply
    32,950.14x = 49,424.73 × 7,990.40
  4. Step 4: Simplify right side
    32,950.14x = 394,923,223.12
  5. Step 5: Solve for x
    x = 394,923,223.12/32,950.14
  6. Step 6: Final answer
    x = 11,985.48

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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.