Home / 54,684.42-75,459.11-30,815.34

Finding the Fourth Proportional to 54,684.42, 75,459.11 and 30,815.34

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Solution

The fourth proportional to 54,684.42, 75,459.11 and 30,815.34 is: 42,522.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,684.42 : 75,459.11 = 30,815.34 : x
  2. Step 2: Convert to fraction form
    54,684.42/75,459.11 = 30,815.34/x
  3. Step 3: Cross multiply
    54,684.42x = 75,459.11 × 30,815.34
  4. Step 4: Simplify right side
    54,684.42x = 2,325,297,976.67
  5. Step 5: Solve for x
    x = 2,325,297,976.67/54,684.42
  6. Step 6: Final answer
    x = 42,522.13

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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.