Home / 38,568.57-53,223.92-21,801.57

Finding the Fourth Proportional to 38,568.57, 53,223.92 and 21,801.57

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Solution

The fourth proportional to 38,568.57, 53,223.92 and 21,801.57 is: 30,085.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,568.57 : 53,223.92 = 21,801.57 : x
  2. Step 2: Convert to fraction form
    38,568.57/53,223.92 = 21,801.57/x
  3. Step 3: Cross multiply
    38,568.57x = 53,223.92 × 21,801.57
  4. Step 4: Simplify right side
    38,568.57x = 1,160,364,642.43
  5. Step 5: Solve for x
    x = 1,160,364,642.43/38,568.57
  6. Step 6: Final answer
    x = 30,085.76

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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.