Home / 38,829.37-53,571.63-31,646.94

Finding the Fourth Proportional to 38,829.37, 53,571.63 and 31,646.94

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Solution

The fourth proportional to 38,829.37, 53,571.63 and 31,646.94 is: 43,662.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,829.37 : 53,571.63 = 31,646.94 : x
  2. Step 2: Convert to fraction form
    38,829.37/53,571.63 = 31,646.94/x
  3. Step 3: Cross multiply
    38,829.37x = 53,571.63 × 31,646.94
  4. Step 4: Simplify right side
    38,829.37x = 1,695,378,160.31
  5. Step 5: Solve for x
    x = 1,695,378,160.31/38,829.37
  6. Step 6: Final answer
    x = 43,662.26

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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.