Home / 42,639.21-63,958.97-13,056.93

Finding the Fourth Proportional to 42,639.21, 63,958.97 and 13,056.93

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Solution

The fourth proportional to 42,639.21, 63,958.97 and 13,056.93 is: 19,585.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,639.21 : 63,958.97 = 13,056.93 : x
  2. Step 2: Convert to fraction form
    42,639.21/63,958.97 = 13,056.93/x
  3. Step 3: Cross multiply
    42,639.21x = 63,958.97 × 13,056.93
  4. Step 4: Simplify right side
    42,639.21x = 835,107,474.37
  5. Step 5: Solve for x
    x = 835,107,474.37/42,639.21
  6. Step 6: Final answer
    x = 19,585.43

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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.