Home / 31,567.13-47,091.97-30,709.07

Finding the Fourth Proportional to 31,567.13, 47,091.97 and 30,709.07

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Solution

The fourth proportional to 31,567.13, 47,091.97 and 30,709.07 is: 45,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,567.13 : 47,091.97 = 30,709.07 : x
  2. Step 2: Convert to fraction form
    31,567.13/47,091.97 = 30,709.07/x
  3. Step 3: Cross multiply
    31,567.13x = 47,091.97 × 30,709.07
  4. Step 4: Simplify right side
    31,567.13x = 1,446,150,449.62
  5. Step 5: Solve for x
    x = 1,446,150,449.62/31,567.13
  6. Step 6: Final answer
    x = 45,811.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.