Home / 64,675.60-97,023.69-20,291.85

Finding the Fourth Proportional to 64,675.60, 97,023.69 and 20,291.85

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Solution

The fourth proportional to 64,675.60, 97,023.69 and 20,291.85 is: 30,441.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,675.60 : 97,023.69 = 20,291.85 : x
  2. Step 2: Convert to fraction form
    64,675.60/97,023.69 = 20,291.85/x
  3. Step 3: Cross multiply
    64,675.60x = 97,023.69 × 20,291.85
  4. Step 4: Simplify right side
    64,675.60x = 1,968,790,163.93
  5. Step 5: Solve for x
    x = 1,968,790,163.93/64,675.60
  6. Step 6: Final answer
    x = 30,441.00

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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.