Home / 31,557.48-47,365.38-15,986.04

Finding the Fourth Proportional to 31,557.48, 47,365.38 and 15,986.04

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Solution

The fourth proportional to 31,557.48, 47,365.38 and 15,986.04 is: 23,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,557.48 : 47,365.38 = 15,986.04 : x
  2. Step 2: Convert to fraction form
    31,557.48/47,365.38 = 15,986.04/x
  3. Step 3: Cross multiply
    31,557.48x = 47,365.38 × 15,986.04
  4. Step 4: Simplify right side
    31,557.48x = 757,184,859.30
  5. Step 5: Solve for x
    x = 757,184,859.30/31,557.48
  6. Step 6: Final answer
    x = 23,993.83

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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.