Home / 54,294.42-81,428.76-30,612.46

Finding the Fourth Proportional to 54,294.42, 81,428.76 and 30,612.46

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Solution

The fourth proportional to 54,294.42, 81,428.76 and 30,612.46 is: 45,911.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,294.42 : 81,428.76 = 30,612.46 : x
  2. Step 2: Convert to fraction form
    54,294.42/81,428.76 = 30,612.46/x
  3. Step 3: Cross multiply
    54,294.42x = 81,428.76 × 30,612.46
  4. Step 4: Simplify right side
    54,294.42x = 2,492,734,658.35
  5. Step 5: Solve for x
    x = 2,492,734,658.35/54,294.42
  6. Step 6: Final answer
    x = 45,911.43

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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.