Home / 64,889.96-97,335.03-18,142.79

Finding the Fourth Proportional to 64,889.96, 97,335.03 and 18,142.79

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Solution

The fourth proportional to 64,889.96, 97,335.03 and 18,142.79 is: 27,214.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,889.96 : 97,335.03 = 18,142.79 : x
  2. Step 2: Convert to fraction form
    64,889.96/97,335.03 = 18,142.79/x
  3. Step 3: Cross multiply
    64,889.96x = 97,335.03 × 18,142.79
  4. Step 4: Simplify right side
    64,889.96x = 1,765,929,008.93
  5. Step 5: Solve for x
    x = 1,765,929,008.93/64,889.96
  6. Step 6: Final answer
    x = 27,214.21

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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.