Home / 38,804.10-53,546.70-21,805.13

Finding the Fourth Proportional to 38,804.10, 53,546.70 and 21,805.13

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Solution

The fourth proportional to 38,804.10, 53,546.70 and 21,805.13 is: 30,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,804.10 : 53,546.70 = 21,805.13 : x
  2. Step 2: Convert to fraction form
    38,804.10/53,546.70 = 21,805.13/x
  3. Step 3: Cross multiply
    38,804.10x = 53,546.70 × 21,805.13
  4. Step 4: Simplify right side
    38,804.10x = 1,167,592,811.26
  5. Step 5: Solve for x
    x = 1,167,592,811.26/38,804.10
  6. Step 6: Final answer
    x = 30,089.42

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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.