Home / 39,730.26-54,828.99-21,824.94

Finding the Fourth Proportional to 39,730.26, 54,828.99 and 21,824.94

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Solution

The fourth proportional to 39,730.26, 54,828.99 and 21,824.94 is: 30,119.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,730.26 : 54,828.99 = 21,824.94 : x
  2. Step 2: Convert to fraction form
    39,730.26/54,828.99 = 21,824.94/x
  3. Step 3: Cross multiply
    39,730.26x = 54,828.99 × 21,824.94
  4. Step 4: Simplify right side
    39,730.26x = 1,196,639,417.01
  5. Step 5: Solve for x
    x = 1,196,639,417.01/39,730.26
  6. Step 6: Final answer
    x = 30,119.09

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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.