Home / 53,346.87-80,020.37-13,903.95

Finding the Fourth Proportional to 53,346.87, 80,020.37 and 13,903.95

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Solution

The fourth proportional to 53,346.87, 80,020.37 and 13,903.95 is: 20,855.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,346.87 : 80,020.37 = 13,903.95 : x
  2. Step 2: Convert to fraction form
    53,346.87/80,020.37 = 13,903.95/x
  3. Step 3: Cross multiply
    53,346.87x = 80,020.37 × 13,903.95
  4. Step 4: Simplify right side
    53,346.87x = 1,112,599,153.94
  5. Step 5: Solve for x
    x = 1,112,599,153.94/53,346.87
  6. Step 6: Final answer
    x = 20,855.94

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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.