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Finding the Fourth Proportional to 30,303, 41,818.32 and 17,055

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Solution

The fourth proportional to 30,303, 41,818.32 and 17,055 is: 23,536.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,303 : 41,818.32 = 17,055 : x
  2. Step 2: Convert to fraction form
    30,303/41,818.32 = 17,055/x
  3. Step 3: Cross multiply
    30,303x = 41,818.32 × 17,055
  4. Step 4: Simplify right side
    30,303x = 713,211,447.60
  5. Step 5: Solve for x
    x = 713,211,447.60/30,303
  6. Step 6: Final answer
    x = 23,536.00

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Why These Related Problems?

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