Home / 38,860.86-58,275.18-12,197.94

Finding the Fourth Proportional to 38,860.86, 58,275.18 and 12,197.94

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Solution

The fourth proportional to 38,860.86, 58,275.18 and 12,197.94 is: 18,291.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,860.86 : 58,275.18 = 12,197.94 : x
  2. Step 2: Convert to fraction form
    38,860.86/58,275.18 = 12,197.94/x
  3. Step 3: Cross multiply
    38,860.86x = 58,275.18 × 12,197.94
  4. Step 4: Simplify right side
    38,860.86x = 710,837,149.13
  5. Step 5: Solve for x
    x = 710,837,149.13/38,860.86
  6. Step 6: Final answer
    x = 18,291.85

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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.