Home / 54,021.06-74,552.81-30,152.39

Finding the Fourth Proportional to 54,021.06, 74,552.81 and 30,152.39

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Solution

The fourth proportional to 54,021.06, 74,552.81 and 30,152.39 is: 41,612.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,021.06 : 74,552.81 = 30,152.39 : x
  2. Step 2: Convert to fraction form
    54,021.06/74,552.81 = 30,152.39/x
  3. Step 3: Cross multiply
    54,021.06x = 74,552.81 × 30,152.39
  4. Step 4: Simplify right side
    54,021.06x = 2,247,944,879.19
  5. Step 5: Solve for x
    x = 2,247,944,879.19/54,021.06
  6. Step 6: Final answer
    x = 41,612.38

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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.