Home / 37,608.68-51,902.16-21,693.80

Finding the Fourth Proportional to 37,608.68, 51,902.16 and 21,693.80

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Solution

The fourth proportional to 37,608.68, 51,902.16 and 21,693.80 is: 29,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,608.68 : 51,902.16 = 21,693.80 : x
  2. Step 2: Convert to fraction form
    37,608.68/51,902.16 = 21,693.80/x
  3. Step 3: Cross multiply
    37,608.68x = 51,902.16 × 21,693.80
  4. Step 4: Simplify right side
    37,608.68x = 1,125,955,078.61
  5. Step 5: Solve for x
    x = 1,125,955,078.61/37,608.68
  6. Step 6: Final answer
    x = 29,938.70

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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.