Home / 54,219.83-74,823.35-30,346.50

Finding the Fourth Proportional to 54,219.83, 74,823.35 and 30,346.50

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Solution

The fourth proportional to 54,219.83, 74,823.35 and 30,346.50 is: 41,878.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,219.83 : 74,823.35 = 30,346.50 : x
  2. Step 2: Convert to fraction form
    54,219.83/74,823.35 = 30,346.50/x
  3. Step 3: Cross multiply
    54,219.83x = 74,823.35 × 30,346.50
  4. Step 4: Simplify right side
    54,219.83x = 2,270,626,790.78
  5. Step 5: Solve for x
    x = 2,270,626,790.78/54,219.83
  6. Step 6: Final answer
    x = 41,878.17

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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.