Home / 54,802.32-75,626.88-30,936.78

Finding the Fourth Proportional to 54,802.32, 75,626.88 and 30,936.78

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Solution

The fourth proportional to 54,802.32, 75,626.88 and 30,936.78 is: 42,692.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,802.32 : 75,626.88 = 30,936.78 : x
  2. Step 2: Convert to fraction form
    54,802.32/75,626.88 = 30,936.78/x
  3. Step 3: Cross multiply
    54,802.32x = 75,626.88 × 30,936.78
  4. Step 4: Simplify right side
    54,802.32x = 2,339,652,148.65
  5. Step 5: Solve for x
    x = 2,339,652,148.65/54,802.32
  6. Step 6: Final answer
    x = 42,692.57

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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.