Home / 35,976.87-53,969.84-12,288.90

Finding the Fourth Proportional to 35,976.87, 53,969.84 and 12,288.90

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Solution

The fourth proportional to 35,976.87, 53,969.84 and 12,288.90 is: 18,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,976.87 : 53,969.84 = 12,288.90 : x
  2. Step 2: Convert to fraction form
    35,976.87/53,969.84 = 12,288.90/x
  3. Step 3: Cross multiply
    35,976.87x = 53,969.84 × 12,288.90
  4. Step 4: Simplify right side
    35,976.87x = 663,229,966.78
  5. Step 5: Solve for x
    x = 663,229,966.78/35,976.87
  6. Step 6: Final answer
    x = 18,434.90

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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.