Home / 45,410.88-68,116.26-14,248.56

Finding the Fourth Proportional to 45,410.88, 68,116.26 and 14,248.56

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Solution

The fourth proportional to 45,410.88, 68,116.26 and 14,248.56 is: 21,372.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,410.88 : 68,116.26 = 14,248.56 : x
  2. Step 2: Convert to fraction form
    45,410.88/68,116.26 = 14,248.56/x
  3. Step 3: Cross multiply
    45,410.88x = 68,116.26 × 14,248.56
  4. Step 4: Simplify right side
    45,410.88x = 970,558,617.59
  5. Step 5: Solve for x
    x = 970,558,617.59/45,410.88
  6. Step 6: Final answer
    x = 21,372.82

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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.