Home / 38,291.58-57,406.77-19,305.99

Finding the Fourth Proportional to 38,291.58, 57,406.77 and 19,305.99

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Solution

The fourth proportional to 38,291.58, 57,406.77 and 19,305.99 is: 28,943.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,291.58 : 57,406.77 = 19,305.99 : x
  2. Step 2: Convert to fraction form
    38,291.58/57,406.77 = 19,305.99/x
  3. Step 3: Cross multiply
    38,291.58x = 57,406.77 × 19,305.99
  4. Step 4: Simplify right side
    38,291.58x = 1,108,294,527.55
  5. Step 5: Solve for x
    x = 1,108,294,527.55/38,291.58
  6. Step 6: Final answer
    x = 28,943.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.