Home / 54,107.28-74,663.19-30,230.64

Finding the Fourth Proportional to 54,107.28, 74,663.19 and 30,230.64

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Solution

The fourth proportional to 54,107.28, 74,663.19 and 30,230.64 is: 41,715.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,107.28 : 74,663.19 = 30,230.64 : x
  2. Step 2: Convert to fraction form
    54,107.28/74,663.19 = 30,230.64/x
  3. Step 3: Cross multiply
    54,107.28x = 74,663.19 × 30,230.64
  4. Step 4: Simplify right side
    54,107.28x = 2,257,116,018.14
  5. Step 5: Solve for x
    x = 2,257,116,018.14/54,107.28
  6. Step 6: Final answer
    x = 41,715.57

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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.