Home / 53,654.40-74,043.88-29,782.60

Finding the Fourth Proportional to 53,654.40, 74,043.88 and 29,782.60

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Solution

The fourth proportional to 53,654.40, 74,043.88 and 29,782.60 is: 41,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,654.40 : 74,043.88 = 29,782.60 : x
  2. Step 2: Convert to fraction form
    53,654.40/74,043.88 = 29,782.60/x
  3. Step 3: Cross multiply
    53,654.40x = 74,043.88 × 29,782.60
  4. Step 4: Simplify right side
    53,654.40x = 2,205,219,260.49
  5. Step 5: Solve for x
    x = 2,205,219,260.49/53,654.40
  6. Step 6: Final answer
    x = 41,100.44

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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.