Home / 38,802.33-53,546.40-21,804.35

Finding the Fourth Proportional to 38,802.33, 53,546.40 and 21,804.35

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Solution

The fourth proportional to 38,802.33, 53,546.40 and 21,804.35 is: 30,089.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,802.33 : 53,546.40 = 21,804.35 : x
  2. Step 2: Convert to fraction form
    38,802.33/53,546.40 = 21,804.35/x
  3. Step 3: Cross multiply
    38,802.33x = 53,546.40 × 21,804.35
  4. Step 4: Simplify right side
    38,802.33x = 1,167,544,179.11
  5. Step 5: Solve for x
    x = 1,167,544,179.11/38,802.33
  6. Step 6: Final answer
    x = 30,089.54

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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.