Home / 40,898.74-61,348.21-12,435.94

Finding the Fourth Proportional to 40,898.74, 61,348.21 and 12,435.94

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Solution

The fourth proportional to 40,898.74, 61,348.21 and 12,435.94 is: 18,653.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,898.74 : 61,348.21 = 12,435.94 : x
  2. Step 2: Convert to fraction form
    40,898.74/61,348.21 = 12,435.94/x
  3. Step 3: Cross multiply
    40,898.74x = 61,348.21 × 12,435.94
  4. Step 4: Simplify right side
    40,898.74x = 762,922,658.67
  5. Step 5: Solve for x
    x = 762,922,658.67/40,898.74
  6. Step 6: Final answer
    x = 18,653.94

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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.