Home / 37,272.71-51,455.40-28,755.71

Finding the Fourth Proportional to 37,272.71, 51,455.40 and 28,755.71

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Solution

The fourth proportional to 37,272.71, 51,455.40 and 28,755.71 is: 39,697.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,272.71 : 51,455.40 = 28,755.71 : x
  2. Step 2: Convert to fraction form
    37,272.71/51,455.40 = 28,755.71/x
  3. Step 3: Cross multiply
    37,272.71x = 51,455.40 × 28,755.71
  4. Step 4: Simplify right side
    37,272.71x = 1,479,636,549.93
  5. Step 5: Solve for x
    x = 1,479,636,549.93/37,272.71
  6. Step 6: Final answer
    x = 39,697.59

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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.