Home / 45,803.36-68,709.38-14,213.76

Finding the Fourth Proportional to 45,803.36, 68,709.38 and 14,213.76

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Solution

The fourth proportional to 45,803.36, 68,709.38 and 14,213.76 is: 21,321.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,803.36 : 68,709.38 = 14,213.76 : x
  2. Step 2: Convert to fraction form
    45,803.36/68,709.38 = 14,213.76/x
  3. Step 3: Cross multiply
    45,803.36x = 68,709.38 × 14,213.76
  4. Step 4: Simplify right side
    45,803.36x = 976,618,566
  5. Step 5: Solve for x
    x = 976,618,566/45,803.36
  6. Step 6: Final answer
    x = 21,321.99

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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.