Home / 37,083.72-51,175.14-20,316.68

Finding the Fourth Proportional to 37,083.72, 51,175.14 and 20,316.68

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Solution

The fourth proportional to 37,083.72, 51,175.14 and 20,316.68 is: 28,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,083.72 : 51,175.14 = 20,316.68 : x
  2. Step 2: Convert to fraction form
    37,083.72/51,175.14 = 20,316.68/x
  3. Step 3: Cross multiply
    37,083.72x = 51,175.14 × 20,316.68
  4. Step 4: Simplify right side
    37,083.72x = 1,039,708,943.34
  5. Step 5: Solve for x
    x = 1,039,708,943.34/37,083.72
  6. Step 6: Final answer
    x = 28,036.80

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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.