Home / 31,975.68-44,097.84-20,040.32

Finding the Fourth Proportional to 31,975.68, 44,097.84 and 20,040.32

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Solution

The fourth proportional to 31,975.68, 44,097.84 and 20,040.32 is: 27,637.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,975.68 : 44,097.84 = 20,040.32 : x
  2. Step 2: Convert to fraction form
    31,975.68/44,097.84 = 20,040.32/x
  3. Step 3: Cross multiply
    31,975.68x = 44,097.84 × 20,040.32
  4. Step 4: Simplify right side
    31,975.68x = 883,734,824.91
  5. Step 5: Solve for x
    x = 883,734,824.91/31,975.68
  6. Step 6: Final answer
    x = 27,637.72

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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.