Home / 31,842.75-47,771.42-11,066.25

Finding the Fourth Proportional to 31,842.75, 47,771.42 and 11,066.25

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Solution

The fourth proportional to 31,842.75, 47,771.42 and 11,066.25 is: 16,601.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,842.75 : 47,771.42 = 11,066.25 : x
  2. Step 2: Convert to fraction form
    31,842.75/47,771.42 = 11,066.25/x
  3. Step 3: Cross multiply
    31,842.75x = 47,771.42 × 11,066.25
  4. Step 4: Simplify right side
    31,842.75x = 528,650,421.24
  5. Step 5: Solve for x
    x = 528,650,421.24/31,842.75
  6. Step 6: Final answer
    x = 16,601.91

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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.