Home / 40,343.27-55,928.88-38,210.54

Finding the Fourth Proportional to 40,343.27, 55,928.88 and 38,210.54

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Solution

The fourth proportional to 40,343.27, 55,928.88 and 38,210.54 is: 52,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,343.27 : 55,928.88 = 38,210.54 : x
  2. Step 2: Convert to fraction form
    40,343.27/55,928.88 = 38,210.54/x
  3. Step 3: Cross multiply
    40,343.27x = 55,928.88 × 38,210.54
  4. Step 4: Simplify right side
    40,343.27x = 2,137,072,426.75
  5. Step 5: Solve for x
    x = 2,137,072,426.75/40,343.27
  6. Step 6: Final answer
    x = 52,972.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.