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Finding the Fourth Proportional to 64,668.98, 97,007.57 and 20,297.49

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Solution

The fourth proportional to 64,668.98, 97,007.57 and 20,297.49 is: 30,447.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,668.98 : 97,007.57 = 20,297.49 : x
  2. Step 2: Convert to fraction form
    64,668.98/97,007.57 = 20,297.49/x
  3. Step 3: Cross multiply
    64,668.98x = 97,007.57 × 20,297.49
  4. Step 4: Simplify right side
    64,668.98x = 1,969,009,907.02
  5. Step 5: Solve for x
    x = 1,969,009,907.02/64,668.98
  6. Step 6: Final answer
    x = 30,447.52

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1.5x scale

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.