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Finding the Fourth Proportional to 30,070.51, 41,496.71 and 16,640.98

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Solution

The fourth proportional to 30,070.51, 41,496.71 and 16,640.98 is: 22,964.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,070.51 : 41,496.71 = 16,640.98 : x
  2. Step 2: Convert to fraction form
    30,070.51/41,496.71 = 16,640.98/x
  3. Step 3: Cross multiply
    30,070.51x = 41,496.71 × 16,640.98
  4. Step 4: Simplify right side
    30,070.51x = 690,545,734.23
  5. Step 5: Solve for x
    x = 690,545,734.23/30,070.51
  6. Step 6: Final answer
    x = 22,964.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.