Home / 54,621.54-75,376.89-30,748.14

Finding the Fourth Proportional to 54,621.54, 75,376.89 and 30,748.14

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Solution

The fourth proportional to 54,621.54, 75,376.89 and 30,748.14 is: 42,431.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,621.54 : 75,376.89 = 30,748.14 : x
  2. Step 2: Convert to fraction form
    54,621.54/75,376.89 = 30,748.14/x
  3. Step 3: Cross multiply
    54,621.54x = 75,376.89 × 30,748.14
  4. Step 4: Simplify right side
    54,621.54x = 2,317,699,166.48
  5. Step 5: Solve for x
    x = 2,317,699,166.48/54,621.54
  6. Step 6: Final answer
    x = 42,431.96

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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.