Home / 54,518.40-75,243.36-30,647.04

Finding the Fourth Proportional to 54,518.40, 75,243.36 and 30,647.04

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Solution

The fourth proportional to 54,518.40, 75,243.36 and 30,647.04 is: 42,297.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,518.40 : 75,243.36 = 30,647.04 : x
  2. Step 2: Convert to fraction form
    54,518.40/75,243.36 = 30,647.04/x
  3. Step 3: Cross multiply
    54,518.40x = 75,243.36 × 30,647.04
  4. Step 4: Simplify right side
    54,518.40x = 2,305,986,263.65
  5. Step 5: Solve for x
    x = 2,305,986,263.65/54,518.40
  6. Step 6: Final answer
    x = 42,297.39

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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.