Home / 54,154.08-74,736.08-30,280.75

Finding the Fourth Proportional to 54,154.08, 74,736.08 and 30,280.75

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Solution

The fourth proportional to 54,154.08, 74,736.08 and 30,280.75 is: 41,789.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,154.08 : 74,736.08 = 30,280.75 : x
  2. Step 2: Convert to fraction form
    54,154.08/74,736.08 = 30,280.75/x
  3. Step 3: Cross multiply
    54,154.08x = 74,736.08 × 30,280.75
  4. Step 4: Simplify right side
    54,154.08x = 2,263,064,477.45
  5. Step 5: Solve for x
    x = 2,263,064,477.45/54,154.08
  6. Step 6: Final answer
    x = 41,789.36

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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.