Home / 45,659.57-68,497.04-14,068.70

Finding the Fourth Proportional to 45,659.57, 68,497.04 and 14,068.70

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Solution

The fourth proportional to 45,659.57, 68,497.04 and 14,068.70 is: 21,105.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,659.57 : 68,497.04 = 14,068.70 : x
  2. Step 2: Convert to fraction form
    45,659.57/68,497.04 = 14,068.70/x
  3. Step 3: Cross multiply
    45,659.57x = 68,497.04 × 14,068.70
  4. Step 4: Simplify right side
    45,659.57x = 963,663,893.82
  5. Step 5: Solve for x
    x = 963,663,893.82/45,659.57
  6. Step 6: Final answer
    x = 21,105.41

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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.