Home / 53,277.96-79,920.90-13,835.28

Finding the Fourth Proportional to 53,277.96, 79,920.90 and 13,835.28

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Solution

The fourth proportional to 53,277.96, 79,920.90 and 13,835.28 is: 20,753.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,277.96 : 79,920.90 = 13,835.28 : x
  2. Step 2: Convert to fraction form
    53,277.96/79,920.90 = 13,835.28/x
  3. Step 3: Cross multiply
    53,277.96x = 79,920.90 × 13,835.28
  4. Step 4: Simplify right side
    53,277.96x = 1,105,728,029.35
  5. Step 5: Solve for x
    x = 1,105,728,029.35/53,277.96
  6. Step 6: Final answer
    x = 20,753.95

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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.