Home / 54,654.66-75,421.46-30,783.56

Finding the Fourth Proportional to 54,654.66, 75,421.46 and 30,783.56

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Solution

The fourth proportional to 54,654.66, 75,421.46 and 30,783.56 is: 42,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,654.66 : 75,421.46 = 30,783.56 : x
  2. Step 2: Convert to fraction form
    54,654.66/75,421.46 = 30,783.56/x
  3. Step 3: Cross multiply
    54,654.66x = 75,421.46 × 30,783.56
  4. Step 4: Simplify right side
    54,654.66x = 2,321,740,739.05
  5. Step 5: Solve for x
    x = 2,321,740,739.05/54,654.66
  6. Step 6: Final answer
    x = 42,480.20

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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.