Home / 30,086.60-45,137.73-11,366.78

Finding the Fourth Proportional to 30,086.60, 45,137.73 and 11,366.78

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Solution

The fourth proportional to 30,086.60, 45,137.73 and 11,366.78 is: 17,053.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,086.60 : 45,137.73 = 11,366.78 : x
  2. Step 2: Convert to fraction form
    30,086.60/45,137.73 = 11,366.78/x
  3. Step 3: Cross multiply
    30,086.60x = 45,137.73 × 11,366.78
  4. Step 4: Simplify right side
    30,086.60x = 513,070,646.61
  5. Step 5: Solve for x
    x = 513,070,646.61/30,086.60
  6. Step 6: Final answer
    x = 17,053.13

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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.