Home / 31,657.07-43,683.81-17,509.61

Finding the Fourth Proportional to 31,657.07, 43,683.81 and 17,509.61

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Solution

The fourth proportional to 31,657.07, 43,683.81 and 17,509.61 is: 24,161.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,657.07 : 43,683.81 = 17,509.61 : x
  2. Step 2: Convert to fraction form
    31,657.07/43,683.81 = 17,509.61/x
  3. Step 3: Cross multiply
    31,657.07x = 43,683.81 × 17,509.61
  4. Step 4: Simplify right side
    31,657.07x = 764,886,258.00
  5. Step 5: Solve for x
    x = 764,886,258.00/31,657.07
  6. Step 6: Final answer
    x = 24,161.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.