Home / 38,788.56-53,528.31-22,021.56

Finding the Fourth Proportional to 38,788.56, 53,528.31 and 22,021.56

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Solution

The fourth proportional to 38,788.56, 53,528.31 and 22,021.56 is: 30,389.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,788.56 : 53,528.31 = 22,021.56 : x
  2. Step 2: Convert to fraction form
    38,788.56/53,528.31 = 22,021.56/x
  3. Step 3: Cross multiply
    38,788.56x = 53,528.31 × 22,021.56
  4. Step 4: Simplify right side
    38,788.56x = 1,178,776,890.36
  5. Step 5: Solve for x
    x = 1,178,776,890.36/38,788.56
  6. Step 6: Final answer
    x = 30,389.81

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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.