Home / 53,003.78-73,146.97-29,131.30

Finding the Fourth Proportional to 53,003.78, 73,146.97 and 29,131.30

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Solution

The fourth proportional to 53,003.78, 73,146.97 and 29,131.30 is: 40,202.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,003.78 : 73,146.97 = 29,131.30 : x
  2. Step 2: Convert to fraction form
    53,003.78/73,146.97 = 29,131.30/x
  3. Step 3: Cross multiply
    53,003.78x = 73,146.97 × 29,131.30
  4. Step 4: Simplify right side
    53,003.78x = 2,130,866,327.16
  5. Step 5: Solve for x
    x = 2,130,866,327.16/53,003.78
  6. Step 6: Final answer
    x = 40,202.16

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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.