Home / 49,917.53-74,389.77-48,478.13

Finding the Fourth Proportional to 49,917.53, 74,389.77 and 48,478.13

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Solution

The fourth proportional to 49,917.53, 74,389.77 and 48,478.13 is: 72,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,917.53 : 74,389.77 = 48,478.13 : x
  2. Step 2: Convert to fraction form
    49,917.53/74,389.77 = 48,478.13/x
  3. Step 3: Cross multiply
    49,917.53x = 74,389.77 × 48,478.13
  4. Step 4: Simplify right side
    49,917.53x = 3,606,276,940.73
  5. Step 5: Solve for x
    x = 3,606,276,940.73/49,917.53
  6. Step 6: Final answer
    x = 72,244.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.