Home / 64,917.80-97,362.66-20,548.16

Finding the Fourth Proportional to 64,917.80, 97,362.66 and 20,548.16

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Solution

The fourth proportional to 64,917.80, 97,362.66 and 20,548.16 is: 30,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,917.80 : 97,362.66 = 20,548.16 : x
  2. Step 2: Convert to fraction form
    64,917.80/97,362.66 = 20,548.16/x
  3. Step 3: Cross multiply
    64,917.80x = 97,362.66 × 20,548.16
  4. Step 4: Simplify right side
    64,917.80x = 2,000,623,515.71
  5. Step 5: Solve for x
    x = 2,000,623,515.71/64,917.80
  6. Step 6: Final answer
    x = 30,817.80

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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.