Home / 53,811.49-74,260.85-29,940.39

Finding the Fourth Proportional to 53,811.49, 74,260.85 and 29,940.39

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Solution

The fourth proportional to 53,811.49, 74,260.85 and 29,940.39 is: 41,318.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,811.49 : 74,260.85 = 29,940.39 : x
  2. Step 2: Convert to fraction form
    53,811.49/74,260.85 = 29,940.39/x
  3. Step 3: Cross multiply
    53,811.49x = 74,260.85 × 29,940.39
  4. Step 4: Simplify right side
    53,811.49x = 2,223,398,810.73
  5. Step 5: Solve for x
    x = 2,223,398,810.73/53,811.49
  6. Step 6: Final answer
    x = 41,318.29

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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.