Home / 38,792.36-53,533.32-21,797.05

Finding the Fourth Proportional to 38,792.36, 53,533.32 and 21,797.05

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Solution

The fourth proportional to 38,792.36, 53,533.32 and 21,797.05 is: 30,079.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,792.36 : 53,533.32 = 21,797.05 : x
  2. Step 2: Convert to fraction form
    38,792.36/53,533.32 = 21,797.05/x
  3. Step 3: Cross multiply
    38,792.36x = 53,533.32 × 21,797.05
  4. Step 4: Simplify right side
    38,792.36x = 1,166,868,452.71
  5. Step 5: Solve for x
    x = 1,166,868,452.71/38,792.36
  6. Step 6: Final answer
    x = 30,079.85

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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.