Home / 40,668.09-61,004.31-12,607.53

Finding the Fourth Proportional to 40,668.09, 61,004.31 and 12,607.53

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Solution

The fourth proportional to 40,668.09, 61,004.31 and 12,607.53 is: 18,911.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,668.09 : 61,004.31 = 12,607.53 : x
  2. Step 2: Convert to fraction form
    40,668.09/61,004.31 = 12,607.53/x
  3. Step 3: Cross multiply
    40,668.09x = 61,004.31 × 12,607.53
  4. Step 4: Simplify right side
    40,668.09x = 769,113,668.45
  5. Step 5: Solve for x
    x = 769,113,668.45/40,668.09
  6. Step 6: Final answer
    x = 18,911.97

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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.