Home / 37,262.19-51,421.57-21,132.55

Finding the Fourth Proportional to 37,262.19, 51,421.57 and 21,132.55

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Solution

The fourth proportional to 37,262.19, 51,421.57 and 21,132.55 is: 29,162.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,262.19 : 51,421.57 = 21,132.55 : x
  2. Step 2: Convert to fraction form
    37,262.19/51,421.57 = 21,132.55/x
  3. Step 3: Cross multiply
    37,262.19x = 51,421.57 × 21,132.55
  4. Step 4: Simplify right side
    37,262.19x = 1,086,668,899.10
  5. Step 5: Solve for x
    x = 1,086,668,899.10/37,262.19
  6. Step 6: Final answer
    x = 29,162.78

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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.