Home / 64,635.86-96,953.80-20,266.06

Finding the Fourth Proportional to 64,635.86, 96,953.80 and 20,266.06

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Solution

The fourth proportional to 64,635.86, 96,953.80 and 20,266.06 is: 30,399.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,635.86 : 96,953.80 = 20,266.06 : x
  2. Step 2: Convert to fraction form
    64,635.86/96,953.80 = 20,266.06/x
  3. Step 3: Cross multiply
    64,635.86x = 96,953.80 × 20,266.06
  4. Step 4: Simplify right side
    64,635.86x = 1,964,871,528.03
  5. Step 5: Solve for x
    x = 1,964,871,528.03/64,635.86
  6. Step 6: Final answer
    x = 30,399.09

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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.