Home / 37,159.08-51,279.60-21,243.96

Finding the Fourth Proportional to 37,159.08, 51,279.60 and 21,243.96

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Solution

The fourth proportional to 37,159.08, 51,279.60 and 21,243.96 is: 29,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,159.08 : 51,279.60 = 21,243.96 : x
  2. Step 2: Convert to fraction form
    37,159.08/51,279.60 = 21,243.96/x
  3. Step 3: Cross multiply
    37,159.08x = 51,279.60 × 21,243.96
  4. Step 4: Simplify right side
    37,159.08x = 1,089,381,771.22
  5. Step 5: Solve for x
    x = 1,089,381,771.22/37,159.08
  6. Step 6: Final answer
    x = 29,316.70

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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.