Home / 49,421.76-74,144.40-16,141.86

Finding the Fourth Proportional to 49,421.76, 74,144.40 and 16,141.86

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Solution

The fourth proportional to 49,421.76, 74,144.40 and 16,141.86 is: 24,216.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,421.76 : 74,144.40 = 16,141.86 : x
  2. Step 2: Convert to fraction form
    49,421.76/74,144.40 = 16,141.86/x
  3. Step 3: Cross multiply
    49,421.76x = 74,144.40 × 16,141.86
  4. Step 4: Simplify right side
    49,421.76x = 1,196,828,524.58
  5. Step 5: Solve for x
    x = 1,196,828,524.58/49,421.76
  6. Step 6: Final answer
    x = 24,216.63

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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.