Home / 38,533.36-53,175.36-21,536.52

Finding the Fourth Proportional to 38,533.36, 53,175.36 and 21,536.52

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Solution

The fourth proportional to 38,533.36, 53,175.36 and 21,536.52 is: 29,720.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,533.36 : 53,175.36 = 21,536.52 : x
  2. Step 2: Convert to fraction form
    38,533.36/53,175.36 = 21,536.52/x
  3. Step 3: Cross multiply
    38,533.36x = 53,175.36 × 21,536.52
  4. Step 4: Simplify right side
    38,533.36x = 1,145,212,204.15
  5. Step 5: Solve for x
    x = 1,145,212,204.15/38,533.36
  6. Step 6: Final answer
    x = 29,720.02

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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.