Home / 53,813.28-74,260.08-29,940.96

Finding the Fourth Proportional to 53,813.28, 74,260.08 and 29,940.96

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Solution

The fourth proportional to 53,813.28, 74,260.08 and 29,940.96 is: 41,317.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,813.28 : 74,260.08 = 29,940.96 : x
  2. Step 2: Convert to fraction form
    53,813.28/74,260.08 = 29,940.96/x
  3. Step 3: Cross multiply
    53,813.28x = 74,260.08 × 29,940.96
  4. Step 4: Simplify right side
    53,813.28x = 2,223,418,084.88
  5. Step 5: Solve for x
    x = 2,223,418,084.88/53,813.28
  6. Step 6: Final answer
    x = 41,317.27

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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.