Home / 54,212.22-74,816.16-30,338.40

Finding the Fourth Proportional to 54,212.22, 74,816.16 and 30,338.40

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Solution

The fourth proportional to 54,212.22, 74,816.16 and 30,338.40 is: 41,868.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,212.22 : 74,816.16 = 30,338.40 : x
  2. Step 2: Convert to fraction form
    54,212.22/74,816.16 = 30,338.40/x
  3. Step 3: Cross multiply
    54,212.22x = 74,816.16 × 30,338.40
  4. Step 4: Simplify right side
    54,212.22x = 2,269,802,588.54
  5. Step 5: Solve for x
    x = 2,269,802,588.54/54,212.22
  6. Step 6: Final answer
    x = 41,868.84

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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.