Home / 54,612.46-75,365.01-30,739.12

Finding the Fourth Proportional to 54,612.46, 75,365.01 and 30,739.12

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Solution

The fourth proportional to 54,612.46, 75,365.01 and 30,739.12 is: 42,419.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,612.46 : 75,365.01 = 30,739.12 : x
  2. Step 2: Convert to fraction form
    54,612.46/75,365.01 = 30,739.12/x
  3. Step 3: Cross multiply
    54,612.46x = 75,365.01 × 30,739.12
  4. Step 4: Simplify right side
    54,612.46x = 2,316,654,086.19
  5. Step 5: Solve for x
    x = 2,316,654,086.19/54,612.46
  6. Step 6: Final answer
    x = 42,419.88

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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.