Home / 49,411.61-74,099.39-21,319.59

Finding the Fourth Proportional to 49,411.61, 74,099.39 and 21,319.59

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Solution

The fourth proportional to 49,411.61, 74,099.39 and 21,319.59 is: 31,971.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,411.61 : 74,099.39 = 21,319.59 : x
  2. Step 2: Convert to fraction form
    49,411.61/74,099.39 = 21,319.59/x
  3. Step 3: Cross multiply
    49,411.61x = 74,099.39 × 21,319.59
  4. Step 4: Simplify right side
    49,411.61x = 1,579,768,614.05
  5. Step 5: Solve for x
    x = 1,579,768,614.05/49,411.61
  6. Step 6: Final answer
    x = 31,971.61

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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.