Home / 54,444.60-81,669.30-30,751.80

Finding the Fourth Proportional to 54,444.60, 81,669.30 and 30,751.80

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Solution

The fourth proportional to 54,444.60, 81,669.30 and 30,751.80 is: 46,129.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,444.60 : 81,669.30 = 30,751.80 : x
  2. Step 2: Convert to fraction form
    54,444.60/81,669.30 = 30,751.80/x
  3. Step 3: Cross multiply
    54,444.60x = 81,669.30 × 30,751.80
  4. Step 4: Simplify right side
    54,444.60x = 2,511,477,979.74
  5. Step 5: Solve for x
    x = 2,511,477,979.74/54,444.60
  6. Step 6: Final answer
    x = 46,129.06

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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.