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Finding the Fourth Proportional to 30,684.70, 45,953.24 and 17,497.09

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Solution

The fourth proportional to 30,684.70, 45,953.24 and 17,497.09 is: 26,203.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,684.70 : 45,953.24 = 17,497.09 : x
  2. Step 2: Convert to fraction form
    30,684.70/45,953.24 = 17,497.09/x
  3. Step 3: Cross multiply
    30,684.70x = 45,953.24 × 17,497.09
  4. Step 4: Simplify right side
    30,684.70x = 804,047,976.07
  5. Step 5: Solve for x
    x = 804,047,976.07/30,684.70
  6. Step 6: Final answer
    x = 26,203.55

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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.