Home / 54,680.81-75,459.26-30,481.45

Finding the Fourth Proportional to 54,680.81, 75,459.26 and 30,481.45

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Solution

The fourth proportional to 54,680.81, 75,459.26 and 30,481.45 is: 42,064.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,680.81 : 75,459.26 = 30,481.45 : x
  2. Step 2: Convert to fraction form
    54,680.81/75,459.26 = 30,481.45/x
  3. Step 3: Cross multiply
    54,680.81x = 75,459.26 × 30,481.45
  4. Step 4: Simplify right side
    54,680.81x = 2,300,107,548.28
  5. Step 5: Solve for x
    x = 2,300,107,548.28/54,680.81
  6. Step 6: Final answer
    x = 42,064.26

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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.