Home / 53,785.44-74,220.48-29,910.72

Finding the Fourth Proportional to 53,785.44, 74,220.48 and 29,910.72

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Solution

The fourth proportional to 53,785.44, 74,220.48 and 29,910.72 is: 41,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,785.44 : 74,220.48 = 29,910.72 : x
  2. Step 2: Convert to fraction form
    53,785.44/74,220.48 = 29,910.72/x
  3. Step 3: Cross multiply
    53,785.44x = 74,220.48 × 29,910.72
  4. Step 4: Simplify right side
    53,785.44x = 2,219,987,995.55
  5. Step 5: Solve for x
    x = 2,219,987,995.55/53,785.44
  6. Step 6: Final answer
    x = 41,274.89

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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.