Home / 38,835.84-58,252.80-12,542.40

Finding the Fourth Proportional to 38,835.84, 58,252.80 and 12,542.40

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Solution

The fourth proportional to 38,835.84, 58,252.80 and 12,542.40 is: 18,813.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,835.84 : 58,252.80 = 12,542.40 : x
  2. Step 2: Convert to fraction form
    38,835.84/58,252.80 = 12,542.40/x
  3. Step 3: Cross multiply
    38,835.84x = 58,252.80 × 12,542.40
  4. Step 4: Simplify right side
    38,835.84x = 730,629,918.72
  5. Step 5: Solve for x
    x = 730,629,918.72/38,835.84
  6. Step 6: Final answer
    x = 18,813.29

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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.