Home / 54,159.95-74,742.76-30,286.56

Finding the Fourth Proportional to 54,159.95, 74,742.76 and 30,286.56

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Solution

The fourth proportional to 54,159.95, 74,742.76 and 30,286.56 is: 41,796.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,159.95 : 74,742.76 = 30,286.56 : x
  2. Step 2: Convert to fraction form
    54,159.95/74,742.76 = 30,286.56/x
  3. Step 3: Cross multiply
    54,159.95x = 74,742.76 × 30,286.56
  4. Step 4: Simplify right side
    54,159.95x = 2,263,701,085.31
  5. Step 5: Solve for x
    x = 2,263,701,085.31/54,159.95
  6. Step 6: Final answer
    x = 41,796.59

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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.