Home / 54,657.39-75,429.53-30,458.38

Finding the Fourth Proportional to 54,657.39, 75,429.53 and 30,458.38

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Solution

The fourth proportional to 54,657.39, 75,429.53 and 30,458.38 is: 42,033.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,657.39 : 75,429.53 = 30,458.38 : x
  2. Step 2: Convert to fraction form
    54,657.39/75,429.53 = 30,458.38/x
  3. Step 3: Cross multiply
    54,657.39x = 75,429.53 × 30,458.38
  4. Step 4: Simplify right side
    54,657.39x = 2,297,461,287.96
  5. Step 5: Solve for x
    x = 2,297,461,287.96/54,657.39
  6. Step 6: Final answer
    x = 42,033.86

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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.