Home / 31,975.06-44,129.86-18,368.46

Finding the Fourth Proportional to 31,975.06, 44,129.86 and 18,368.46

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Solution

The fourth proportional to 31,975.06, 44,129.86 and 18,368.46 is: 25,350.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,975.06 : 44,129.86 = 18,368.46 : x
  2. Step 2: Convert to fraction form
    31,975.06/44,129.86 = 18,368.46/x
  3. Step 3: Cross multiply
    31,975.06x = 44,129.86 × 18,368.46
  4. Step 4: Simplify right side
    31,975.06x = 810,597,568.22
  5. Step 5: Solve for x
    x = 810,597,568.22/31,975.06
  6. Step 6: Final answer
    x = 25,350.93

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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.