Home / 38,739.40-53,485.94-29,770.60

Finding the Fourth Proportional to 38,739.40, 53,485.94 and 29,770.60

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Solution

The fourth proportional to 38,739.40, 53,485.94 and 29,770.60 is: 41,103.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,739.40 : 53,485.94 = 29,770.60 : x
  2. Step 2: Convert to fraction form
    38,739.40/53,485.94 = 29,770.60/x
  3. Step 3: Cross multiply
    38,739.40x = 53,485.94 × 29,770.60
  4. Step 4: Simplify right side
    38,739.40x = 1,592,308,525.36
  5. Step 5: Solve for x
    x = 1,592,308,525.36/38,739.40
  6. Step 6: Final answer
    x = 41,103.08

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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.