Home / 64,928.21-97,382.53-20,549.18

Finding the Fourth Proportional to 64,928.21, 97,382.53 and 20,549.18

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Solution

The fourth proportional to 64,928.21, 97,382.53 and 20,549.18 is: 30,820.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,928.21 : 97,382.53 = 20,549.18 : x
  2. Step 2: Convert to fraction form
    64,928.21/97,382.53 = 20,549.18/x
  3. Step 3: Cross multiply
    64,928.21x = 97,382.53 × 20,549.18
  4. Step 4: Simplify right side
    64,928.21x = 2,001,131,137.83
  5. Step 5: Solve for x
    x = 2,001,131,137.83/64,928.21
  6. Step 6: Final answer
    x = 30,820.67

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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.