Home / 43,778.10-65,668.08-14,195.94

Finding the Fourth Proportional to 43,778.10, 65,668.08 and 14,195.94

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Solution

The fourth proportional to 43,778.10, 65,668.08 and 14,195.94 is: 21,294.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,778.10 : 65,668.08 = 14,195.94 : x
  2. Step 2: Convert to fraction form
    43,778.10/65,668.08 = 14,195.94/x
  3. Step 3: Cross multiply
    43,778.10x = 65,668.08 × 14,195.94
  4. Step 4: Simplify right side
    43,778.10x = 932,220,123.60
  5. Step 5: Solve for x
    x = 932,220,123.60/43,778.10
  6. Step 6: Final answer
    x = 21,294.21

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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.