Home / 37,169.75-51,281.69-21,242.85

Finding the Fourth Proportional to 37,169.75, 51,281.69 and 21,242.85

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Solution

The fourth proportional to 37,169.75, 51,281.69 and 21,242.85 is: 29,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,169.75 : 51,281.69 = 21,242.85 : x
  2. Step 2: Convert to fraction form
    37,169.75/51,281.69 = 21,242.85/x
  3. Step 3: Cross multiply
    37,169.75x = 51,281.69 × 21,242.85
  4. Step 4: Simplify right side
    37,169.75x = 1,089,369,142.20
  5. Step 5: Solve for x
    x = 1,089,369,142.20/37,169.75
  6. Step 6: Final answer
    x = 29,307.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.