Home / 45,498.84-68,248.44-13,908.78

Finding the Fourth Proportional to 45,498.84, 68,248.44 and 13,908.78

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Solution

The fourth proportional to 45,498.84, 68,248.44 and 13,908.78 is: 20,863.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,498.84 : 68,248.44 = 13,908.78 : x
  2. Step 2: Convert to fraction form
    45,498.84/68,248.44 = 13,908.78/x
  3. Step 3: Cross multiply
    45,498.84x = 68,248.44 × 13,908.78
  4. Step 4: Simplify right side
    45,498.84x = 949,252,537.30
  5. Step 5: Solve for x
    x = 949,252,537.30/45,498.84
  6. Step 6: Final answer
    x = 20,863.23

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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.