Home / 54,145.53-74,721.02-30,272.67

Finding the Fourth Proportional to 54,145.53, 74,721.02 and 30,272.67

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Solution

The fourth proportional to 54,145.53, 74,721.02 and 30,272.67 is: 41,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,145.53 : 74,721.02 = 30,272.67 : x
  2. Step 2: Convert to fraction form
    54,145.53/74,721.02 = 30,272.67/x
  3. Step 3: Cross multiply
    54,145.53x = 74,721.02 × 30,272.67
  4. Step 4: Simplify right side
    54,145.53x = 2,262,004,629.16
  5. Step 5: Solve for x
    x = 2,262,004,629.16/54,145.53
  6. Step 6: Final answer
    x = 41,776.39

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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.