Home / 37,537.81-51,800.18-20,538.74

Finding the Fourth Proportional to 37,537.81, 51,800.18 and 20,538.74

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Solution

The fourth proportional to 37,537.81, 51,800.18 and 20,538.74 is: 28,342.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,537.81 : 51,800.18 = 20,538.74 : x
  2. Step 2: Convert to fraction form
    37,537.81/51,800.18 = 20,538.74/x
  3. Step 3: Cross multiply
    37,537.81x = 51,800.18 × 20,538.74
  4. Step 4: Simplify right side
    37,537.81x = 1,063,910,455.78
  5. Step 5: Solve for x
    x = 1,063,910,455.78/37,537.81
  6. Step 6: Final answer
    x = 28,342.37

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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.