Home / 49,778.58-74,671.52-19,804.53

Finding the Fourth Proportional to 49,778.58, 74,671.52 and 19,804.53

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Solution

The fourth proportional to 49,778.58, 74,671.52 and 19,804.53 is: 29,708.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,778.58 : 74,671.52 = 19,804.53 : x
  2. Step 2: Convert to fraction form
    49,778.58/74,671.52 = 19,804.53/x
  3. Step 3: Cross multiply
    49,778.58x = 74,671.52 × 19,804.53
  4. Step 4: Simplify right side
    49,778.58x = 1,478,834,258.96
  5. Step 5: Solve for x
    x = 1,478,834,258.96/49,778.58
  6. Step 6: Final answer
    x = 29,708.25

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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.