Home / 53,940.84-74,435.85-30,069.78

Finding the Fourth Proportional to 53,940.84, 74,435.85 and 30,069.78

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Solution

The fourth proportional to 53,940.84, 74,435.85 and 30,069.78 is: 41,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,940.84 : 74,435.85 = 30,069.78 : x
  2. Step 2: Convert to fraction form
    53,940.84/74,435.85 = 30,069.78/x
  3. Step 3: Cross multiply
    53,940.84x = 74,435.85 × 30,069.78
  4. Step 4: Simplify right side
    53,940.84x = 2,238,269,633.61
  5. Step 5: Solve for x
    x = 2,238,269,633.61/53,940.84
  6. Step 6: Final answer
    x = 41,494.90

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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.