Home / 64,716.45-97,074.60-20,347.08

Finding the Fourth Proportional to 64,716.45, 97,074.60 and 20,347.08

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Solution

The fourth proportional to 64,716.45, 97,074.60 and 20,347.08 is: 30,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,716.45 : 97,074.60 = 20,347.08 : x
  2. Step 2: Convert to fraction form
    64,716.45/97,074.60 = 20,347.08/x
  3. Step 3: Cross multiply
    64,716.45x = 97,074.60 × 20,347.08
  4. Step 4: Simplify right side
    64,716.45x = 1,975,184,652.17
  5. Step 5: Solve for x
    x = 1,975,184,652.17/64,716.45
  6. Step 6: Final answer
    x = 30,520.60

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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.