Home / 53,990.58-74,506.48-29,791.76

Finding the Fourth Proportional to 53,990.58, 74,506.48 and 29,791.76

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Solution

The fourth proportional to 53,990.58, 74,506.48 and 29,791.76 is: 41,112.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,990.58 : 74,506.48 = 29,791.76 : x
  2. Step 2: Convert to fraction form
    53,990.58/74,506.48 = 29,791.76/x
  3. Step 3: Cross multiply
    53,990.58x = 74,506.48 × 29,791.76
  4. Step 4: Simplify right side
    53,990.58x = 2,219,679,170.60
  5. Step 5: Solve for x
    x = 2,219,679,170.60/53,990.58
  6. Step 6: Final answer
    x = 41,112.34

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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.