Home / 54,138.69-74,715.37-30,263.85

Finding the Fourth Proportional to 54,138.69, 74,715.37 and 30,263.85

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Solution

The fourth proportional to 54,138.69, 74,715.37 and 30,263.85 is: 41,766.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,138.69 : 74,715.37 = 30,263.85 : x
  2. Step 2: Convert to fraction form
    54,138.69/74,715.37 = 30,263.85/x
  3. Step 3: Cross multiply
    54,138.69x = 74,715.37 × 30,263.85
  4. Step 4: Simplify right side
    54,138.69x = 2,261,174,674.71
  5. Step 5: Solve for x
    x = 2,261,174,674.71/54,138.69
  6. Step 6: Final answer
    x = 41,766.34

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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.