Home / 54,290.04-74,923.32-30,424.40

Finding the Fourth Proportional to 54,290.04, 74,923.32 and 30,424.40

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Solution

The fourth proportional to 54,290.04, 74,923.32 and 30,424.40 is: 41,987.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,290.04 : 74,923.32 = 30,424.40 : x
  2. Step 2: Convert to fraction form
    54,290.04/74,923.32 = 30,424.40/x
  3. Step 3: Cross multiply
    54,290.04x = 74,923.32 × 30,424.40
  4. Step 4: Simplify right side
    54,290.04x = 2,279,497,057.01
  5. Step 5: Solve for x
    x = 2,279,497,057.01/54,290.04
  6. Step 6: Final answer
    x = 41,987.39

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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.