Home / 49,369.61-74,095.88-21,310.86

Finding the Fourth Proportional to 49,369.61, 74,095.88 and 21,310.86

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Solution

The fourth proportional to 49,369.61, 74,095.88 and 21,310.86 is: 31,984.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,369.61 : 74,095.88 = 21,310.86 : x
  2. Step 2: Convert to fraction form
    49,369.61/74,095.88 = 21,310.86/x
  3. Step 3: Cross multiply
    49,369.61x = 74,095.88 × 21,310.86
  4. Step 4: Simplify right side
    49,369.61x = 1,579,046,818.70
  5. Step 5: Solve for x
    x = 1,579,046,818.70/49,369.61
  6. Step 6: Final answer
    x = 31,984.19

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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.