Home / 54,109.34-74,669.45-30,236.21

Finding the Fourth Proportional to 54,109.34, 74,669.45 and 30,236.21

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Solution

The fourth proportional to 54,109.34, 74,669.45 and 30,236.21 is: 41,725.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,109.34 : 74,669.45 = 30,236.21 : x
  2. Step 2: Convert to fraction form
    54,109.34/74,669.45 = 30,236.21/x
  3. Step 3: Cross multiply
    54,109.34x = 74,669.45 × 30,236.21
  4. Step 4: Simplify right side
    54,109.34x = 2,257,721,059.70
  5. Step 5: Solve for x
    x = 2,257,721,059.70/54,109.34
  6. Step 6: Final answer
    x = 41,725.17

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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.