Home / 64,976.49-97,476.89-20,591.33

Finding the Fourth Proportional to 64,976.49, 97,476.89 and 20,591.33

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Solution

The fourth proportional to 64,976.49, 97,476.89 and 20,591.33 is: 30,890.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,976.49 : 97,476.89 = 20,591.33 : x
  2. Step 2: Convert to fraction form
    64,976.49/97,476.89 = 20,591.33/x
  3. Step 3: Cross multiply
    64,976.49x = 97,476.89 × 20,591.33
  4. Step 4: Simplify right side
    64,976.49x = 2,007,178,219.02
  5. Step 5: Solve for x
    x = 2,007,178,219.02/64,976.49
  6. Step 6: Final answer
    x = 30,890.84

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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.