Home / 37,581.19-51,862.14-20,814.19

Finding the Fourth Proportional to 37,581.19, 51,862.14 and 20,814.19

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Solution

The fourth proportional to 37,581.19, 51,862.14 and 20,814.19 is: 28,723.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,581.19 : 51,862.14 = 20,814.19 : x
  2. Step 2: Convert to fraction form
    37,581.19/51,862.14 = 20,814.19/x
  3. Step 3: Cross multiply
    37,581.19x = 51,862.14 × 20,814.19
  4. Step 4: Simplify right side
    37,581.19x = 1,079,468,306.11
  5. Step 5: Solve for x
    x = 1,079,468,306.11/37,581.19
  6. Step 6: Final answer
    x = 28,723.63

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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.