Home / 38,739.30-53,477.94-29,783.68

Finding the Fourth Proportional to 38,739.30, 53,477.94 and 29,783.68

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Solution

The fourth proportional to 38,739.30, 53,477.94 and 29,783.68 is: 41,115.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,739.30 : 53,477.94 = 29,783.68 : x
  2. Step 2: Convert to fraction form
    38,739.30/53,477.94 = 29,783.68/x
  3. Step 3: Cross multiply
    38,739.30x = 53,477.94 × 29,783.68
  4. Step 4: Simplify right side
    38,739.30x = 1,592,769,852.02
  5. Step 5: Solve for x
    x = 1,592,769,852.02/38,739.30
  6. Step 6: Final answer
    x = 41,115.09

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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.