Home / 53,261.31-73,500.60-29,388.03

Finding the Fourth Proportional to 53,261.31, 73,500.60 and 29,388.03

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Solution

The fourth proportional to 53,261.31, 73,500.60 and 29,388.03 is: 40,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,261.31 : 73,500.60 = 29,388.03 : x
  2. Step 2: Convert to fraction form
    53,261.31/73,500.60 = 29,388.03/x
  3. Step 3: Cross multiply
    53,261.31x = 73,500.60 × 29,388.03
  4. Step 4: Simplify right side
    53,261.31x = 2,160,037,837.82
  5. Step 5: Solve for x
    x = 2,160,037,837.82/53,261.31
  6. Step 6: Final answer
    x = 40,555.48

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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.