Home / 71,783.07-107,673.86-18,474.83

Finding the Fourth Proportional to 71,783.07, 107,673.86 and 18,474.83

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Solution

The fourth proportional to 71,783.07, 107,673.86 and 18,474.83 is: 27,712.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,783.07 : 107,673.86 = 18,474.83 : x
  2. Step 2: Convert to fraction form
    71,783.07/107,673.86 = 18,474.83/x
  3. Step 3: Cross multiply
    71,783.07x = 107,673.86 × 18,474.83
  4. Step 4: Simplify right side
    71,783.07x = 1,989,256,505.03
  5. Step 5: Solve for x
    x = 1,989,256,505.03/71,783.07
  6. Step 6: Final answer
    x = 27,712.06

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1.5x scale

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.