Home / 54,397.64-81,518.70-30,975.68

Finding the Fourth Proportional to 54,397.64, 81,518.70 and 30,975.68

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Solution

The fourth proportional to 54,397.64, 81,518.70 and 30,975.68 is: 46,419.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,397.64 : 81,518.70 = 30,975.68 : x
  2. Step 2: Convert to fraction form
    54,397.64/81,518.70 = 30,975.68/x
  3. Step 3: Cross multiply
    54,397.64x = 81,518.70 × 30,975.68
  4. Step 4: Simplify right side
    54,397.64x = 2,525,097,165.22
  5. Step 5: Solve for x
    x = 2,525,097,165.22/54,397.64
  6. Step 6: Final answer
    x = 46,419.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.