Home / 38,578.56-53,255.64-22,664.04

Finding the Fourth Proportional to 38,578.56, 53,255.64 and 22,664.04

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Solution

The fourth proportional to 38,578.56, 53,255.64 and 22,664.04 is: 31,286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,578.56 : 53,255.64 = 22,664.04 : x
  2. Step 2: Convert to fraction form
    38,578.56/53,255.64 = 22,664.04/x
  3. Step 3: Cross multiply
    38,578.56x = 53,255.64 × 22,664.04
  4. Step 4: Simplify right side
    38,578.56x = 1,206,987,955.19
  5. Step 5: Solve for x
    x = 1,206,987,955.19/38,578.56
  6. Step 6: Final answer
    x = 31,286.50

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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.