Home / 38,799.52-53,541.87-21,804.49

Finding the Fourth Proportional to 38,799.52, 53,541.87 and 21,804.49

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Solution

The fourth proportional to 38,799.52, 53,541.87 and 21,804.49 is: 30,089.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,799.52 : 53,541.87 = 21,804.49 : x
  2. Step 2: Convert to fraction form
    38,799.52/53,541.87 = 21,804.49/x
  3. Step 3: Cross multiply
    38,799.52x = 53,541.87 × 21,804.49
  4. Step 4: Simplify right side
    38,799.52x = 1,167,453,169.00
  5. Step 5: Solve for x
    x = 1,167,453,169.00/38,799.52
  6. Step 6: Final answer
    x = 30,089.37

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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.