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Finding the Fourth Proportional to 50,653.95, 75,934.49 and 19,465.71

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Solution

The fourth proportional to 50,653.95, 75,934.49 and 19,465.71 is: 29,180.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,653.95 : 75,934.49 = 19,465.71 : x
  2. Step 2: Convert to fraction form
    50,653.95/75,934.49 = 19,465.71/x
  3. Step 3: Cross multiply
    50,653.95x = 75,934.49 × 19,465.71
  4. Step 4: Simplify right side
    50,653.95x = 1,478,118,664.01
  5. Step 5: Solve for x
    x = 1,478,118,664.01/50,653.95
  6. Step 6: Final answer
    x = 29,180.72

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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.