Home / 54,861.01-75,707.79-30,992.35

Finding the Fourth Proportional to 54,861.01, 75,707.79 and 30,992.35

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Solution

The fourth proportional to 54,861.01, 75,707.79 and 30,992.35 is: 42,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,861.01 : 75,707.79 = 30,992.35 : x
  2. Step 2: Convert to fraction form
    54,861.01/75,707.79 = 30,992.35/x
  3. Step 3: Cross multiply
    54,861.01x = 75,707.79 × 30,992.35
  4. Step 4: Simplify right side
    54,861.01x = 2,346,362,325.41
  5. Step 5: Solve for x
    x = 2,346,362,325.41/54,861.01
  6. Step 6: Final answer
    x = 42,769.21

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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.