Home / 65,507.88-98,261.44-18,760.76

Finding the Fourth Proportional to 65,507.88, 98,261.44 and 18,760.76

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Solution

The fourth proportional to 65,507.88, 98,261.44 and 18,760.76 is: 28,141.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,507.88 : 98,261.44 = 18,760.76 : x
  2. Step 2: Convert to fraction form
    65,507.88/98,261.44 = 18,760.76/x
  3. Step 3: Cross multiply
    65,507.88x = 98,261.44 × 18,760.76
  4. Step 4: Simplify right side
    65,507.88x = 1,843,459,293.09
  5. Step 5: Solve for x
    x = 1,843,459,293.09/65,507.88
  6. Step 6: Final answer
    x = 28,141.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.