Home / 45,416.49-68,116.69-13,818.93

Finding the Fourth Proportional to 45,416.49, 68,116.69 and 13,818.93

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Solution

The fourth proportional to 45,416.49, 68,116.69 and 13,818.93 is: 20,725.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,416.49 : 68,116.69 = 13,818.93 : x
  2. Step 2: Convert to fraction form
    45,416.49/68,116.69 = 13,818.93/x
  3. Step 3: Cross multiply
    45,416.49x = 68,116.69 × 13,818.93
  4. Step 4: Simplify right side
    45,416.49x = 941,299,770.94
  5. Step 5: Solve for x
    x = 941,299,770.94/45,416.49
  6. Step 6: Final answer
    x = 20,725.95

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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.