Home / 45,976.86-68,976.36-15,986.76

Finding the Fourth Proportional to 45,976.86, 68,976.36 and 15,986.76

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Solution

The fourth proportional to 45,976.86, 68,976.36 and 15,986.76 is: 23,983.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,976.86 : 68,976.36 = 15,986.76 : x
  2. Step 2: Convert to fraction form
    45,976.86/68,976.36 = 15,986.76/x
  3. Step 3: Cross multiply
    45,976.86x = 68,976.36 × 15,986.76
  4. Step 4: Simplify right side
    45,976.86x = 1,102,708,512.99
  5. Step 5: Solve for x
    x = 1,102,708,512.99/45,976.86
  6. Step 6: Final answer
    x = 23,983.99

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1.5x scale

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.