Home / 39,059.30-53,897.99-21,828.49

Finding the Fourth Proportional to 39,059.30, 53,897.99 and 21,828.49

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Solution

The fourth proportional to 39,059.30, 53,897.99 and 21,828.49 is: 30,121.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,059.30 : 53,897.99 = 21,828.49 : x
  2. Step 2: Convert to fraction form
    39,059.30/53,897.99 = 21,828.49/x
  3. Step 3: Cross multiply
    39,059.30x = 53,897.99 × 21,828.49
  4. Step 4: Simplify right side
    39,059.30x = 1,176,511,491.85
  5. Step 5: Solve for x
    x = 1,176,511,491.85/39,059.30
  6. Step 6: Final answer
    x = 30,121.16

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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.