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Finding the Fourth Proportional to 62,706.10, 94,048.32 and 17,730.64

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Solution

The fourth proportional to 62,706.10, 94,048.32 and 17,730.64 is: 26,592.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,706.10 : 94,048.32 = 17,730.64 : x
  2. Step 2: Convert to fraction form
    62,706.10/94,048.32 = 17,730.64/x
  3. Step 3: Cross multiply
    62,706.10x = 94,048.32 × 17,730.64
  4. Step 4: Simplify right side
    62,706.10x = 1,667,536,904.52
  5. Step 5: Solve for x
    x = 1,667,536,904.52/62,706.10
  6. Step 6: Final answer
    x = 26,592.90

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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.