Home / 53,051.78-73,213.55-29,180.68

Finding the Fourth Proportional to 53,051.78, 73,213.55 and 29,180.68

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Solution

The fourth proportional to 53,051.78, 73,213.55 and 29,180.68 is: 40,270.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,051.78 : 73,213.55 = 29,180.68 : x
  2. Step 2: Convert to fraction form
    53,051.78/73,213.55 = 29,180.68/x
  3. Step 3: Cross multiply
    53,051.78x = 73,213.55 × 29,180.68
  4. Step 4: Simplify right side
    53,051.78x = 2,136,420,954.70
  5. Step 5: Solve for x
    x = 2,136,420,954.70/53,051.78
  6. Step 6: Final answer
    x = 40,270.48

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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.