Home / 54,159.69-74,740.49-30,286.77

Finding the Fourth Proportional to 54,159.69, 74,740.49 and 30,286.77

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Solution

The fourth proportional to 54,159.69, 74,740.49 and 30,286.77 is: 41,795.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,159.69 : 74,740.49 = 30,286.77 : x
  2. Step 2: Convert to fraction form
    54,159.69/74,740.49 = 30,286.77/x
  3. Step 3: Cross multiply
    54,159.69x = 74,740.49 × 30,286.77
  4. Step 4: Simplify right side
    54,159.69x = 2,263,648,030.32
  5. Step 5: Solve for x
    x = 2,263,648,030.32/54,159.69
  6. Step 6: Final answer
    x = 41,795.81

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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.