Home / 54,223.28-74,828.09-30,349.94

Finding the Fourth Proportional to 54,223.28, 74,828.09 and 30,349.94

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Solution

The fourth proportional to 54,223.28, 74,828.09 and 30,349.94 is: 41,882.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,223.28 : 74,828.09 = 30,349.94 : x
  2. Step 2: Convert to fraction form
    54,223.28/74,828.09 = 30,349.94/x
  3. Step 3: Cross multiply
    54,223.28x = 74,828.09 × 30,349.94
  4. Step 4: Simplify right side
    54,223.28x = 2,271,027,515.92
  5. Step 5: Solve for x
    x = 2,271,027,515.92/54,223.28
  6. Step 6: Final answer
    x = 41,882.89

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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.