Home / 54,215.49-74,817.75-30,344.38

Finding the Fourth Proportional to 54,215.49, 74,817.75 and 30,344.38

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Solution

The fourth proportional to 54,215.49, 74,817.75 and 30,344.38 is: 41,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,215.49 : 74,817.75 = 30,344.38 : x
  2. Step 2: Convert to fraction form
    54,215.49/74,817.75 = 30,344.38/x
  3. Step 3: Cross multiply
    54,215.49x = 74,817.75 × 30,344.38
  4. Step 4: Simplify right side
    54,215.49x = 2,270,298,236.75
  5. Step 5: Solve for x
    x = 2,270,298,236.75/54,215.49
  6. Step 6: Final answer
    x = 41,875.45

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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.