Home / 38,811.60-58,287.80-33,973.20

Finding the Fourth Proportional to 38,811.60, 58,287.80 and 33,973.20

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Solution

The fourth proportional to 38,811.60, 58,287.80 and 33,973.20 is: 51,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,811.60 : 58,287.80 = 33,973.20 : x
  2. Step 2: Convert to fraction form
    38,811.60/58,287.80 = 33,973.20/x
  3. Step 3: Cross multiply
    38,811.60x = 58,287.80 × 33,973.20
  4. Step 4: Simplify right side
    38,811.60x = 1,980,223,086.96
  5. Step 5: Solve for x
    x = 1,980,223,086.96/38,811.60
  6. Step 6: Final answer
    x = 51,021.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.