Home / 65,021.13-97,535.06-20,651.35

Finding the Fourth Proportional to 65,021.13, 97,535.06 and 20,651.35

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Solution

The fourth proportional to 65,021.13, 97,535.06 and 20,651.35 is: 30,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,021.13 : 97,535.06 = 20,651.35 : x
  2. Step 2: Convert to fraction form
    65,021.13/97,535.06 = 20,651.35/x
  3. Step 3: Cross multiply
    65,021.13x = 97,535.06 × 20,651.35
  4. Step 4: Simplify right side
    65,021.13x = 2,014,230,834.88
  5. Step 5: Solve for x
    x = 2,014,230,834.88/65,021.13
  6. Step 6: Final answer
    x = 30,978.10

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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.