Home / 37,316.35-51,487.68-21,180.12

Finding the Fourth Proportional to 37,316.35, 51,487.68 and 21,180.12

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Solution

The fourth proportional to 37,316.35, 51,487.68 and 21,180.12 is: 29,223.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,316.35 : 51,487.68 = 21,180.12 : x
  2. Step 2: Convert to fraction form
    37,316.35/51,487.68 = 21,180.12/x
  3. Step 3: Cross multiply
    37,316.35x = 51,487.68 × 21,180.12
  4. Step 4: Simplify right side
    37,316.35x = 1,090,515,240.92
  5. Step 5: Solve for x
    x = 1,090,515,240.92/37,316.35
  6. Step 6: Final answer
    x = 29,223.52

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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.