Home / 37,164.80-51,279-21,246.68

Finding the Fourth Proportional to 37,164.80, 51,279 and 21,246.68

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Solution

The fourth proportional to 37,164.80, 51,279 and 21,246.68 is: 29,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,164.80 : 51,279 = 21,246.68 : x
  2. Step 2: Convert to fraction form
    37,164.80/51,279 = 21,246.68/x
  3. Step 3: Cross multiply
    37,164.80x = 51,279 × 21,246.68
  4. Step 4: Simplify right side
    37,164.80x = 1,089,508,503.72
  5. Step 5: Solve for x
    x = 1,089,508,503.72/37,164.80
  6. Step 6: Final answer
    x = 29,315.60

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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.