Home / 31,400.74-47,119.47-11,693.26

Finding the Fourth Proportional to 31,400.74, 47,119.47 and 11,693.26

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Solution

The fourth proportional to 31,400.74, 47,119.47 and 11,693.26 is: 17,546.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,400.74 : 47,119.47 = 11,693.26 : x
  2. Step 2: Convert to fraction form
    31,400.74/47,119.47 = 11,693.26/x
  3. Step 3: Cross multiply
    31,400.74x = 47,119.47 × 11,693.26
  4. Step 4: Simplify right side
    31,400.74x = 550,980,213.77
  5. Step 5: Solve for x
    x = 550,980,213.77/31,400.74
  6. Step 6: Final answer
    x = 17,546.73

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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.