Home / 49,685.25-74,531.34-16,428.72

Finding the Fourth Proportional to 49,685.25, 74,531.34 and 16,428.72

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Solution

The fourth proportional to 49,685.25, 74,531.34 and 16,428.72 is: 24,644.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,685.25 : 74,531.34 = 16,428.72 : x
  2. Step 2: Convert to fraction form
    49,685.25/74,531.34 = 16,428.72/x
  3. Step 3: Cross multiply
    49,685.25x = 74,531.34 × 16,428.72
  4. Step 4: Simplify right side
    49,685.25x = 1,224,454,516.08
  5. Step 5: Solve for x
    x = 1,224,454,516.08/49,685.25
  6. Step 6: Final answer
    x = 24,644.23

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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.