Home / 19,629.58-29,444.40-4,838.77

Finding the Fourth Proportional to 19,629.58, 29,444.40 and 4,838.77

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Solution

The fourth proportional to 19,629.58, 29,444.40 and 4,838.77 is: 7,258.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.58 : 29,444.40 = 4,838.77 : x
  2. Step 2: Convert to fraction form
    19,629.58/29,444.40 = 4,838.77/x
  3. Step 3: Cross multiply
    19,629.58x = 29,444.40 × 4,838.77
  4. Step 4: Simplify right side
    19,629.58x = 142,474,679.39
  5. Step 5: Solve for x
    x = 142,474,679.39/19,629.58
  6. Step 6: Final answer
    x = 7,258.16

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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.