Home / 30,201.39-45,274.14-11,475.81

Finding the Fourth Proportional to 30,201.39, 45,274.14 and 11,475.81

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Solution

The fourth proportional to 30,201.39, 45,274.14 and 11,475.81 is: 17,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,201.39 : 45,274.14 = 11,475.81 : x
  2. Step 2: Convert to fraction form
    30,201.39/45,274.14 = 11,475.81/x
  3. Step 3: Cross multiply
    30,201.39x = 45,274.14 × 11,475.81
  4. Step 4: Simplify right side
    30,201.39x = 519,557,428.55
  5. Step 5: Solve for x
    x = 519,557,428.55/30,201.39
  6. Step 6: Final answer
    x = 17,203.10

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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.