Home / 54,270.79-81,417.82-16,830.05

Finding the Fourth Proportional to 54,270.79, 81,417.82 and 16,830.05

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Solution

The fourth proportional to 54,270.79, 81,417.82 and 16,830.05 is: 25,248.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,270.79 : 81,417.82 = 16,830.05 : x
  2. Step 2: Convert to fraction form
    54,270.79/81,417.82 = 16,830.05/x
  3. Step 3: Cross multiply
    54,270.79x = 81,417.82 × 16,830.05
  4. Step 4: Simplify right side
    54,270.79x = 1,370,265,981.49
  5. Step 5: Solve for x
    x = 1,370,265,981.49/54,270.79
  6. Step 6: Final answer
    x = 25,248.68

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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.