Home / 44,445.75-66,668.63-11,613.75

Finding the Fourth Proportional to 44,445.75, 66,668.63 and 11,613.75

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Solution

The fourth proportional to 44,445.75, 66,668.63 and 11,613.75 is: 17,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,445.75 : 66,668.63 = 11,613.75 : x
  2. Step 2: Convert to fraction form
    44,445.75/66,668.63 = 11,613.75/x
  3. Step 3: Cross multiply
    44,445.75x = 66,668.63 × 11,613.75
  4. Step 4: Simplify right side
    44,445.75x = 774,272,743.59
  5. Step 5: Solve for x
    x = 774,272,743.59/44,445.75
  6. Step 6: Final answer
    x = 17,420.63

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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.