Home / 30,196.89-45,267.39-11,471.31

Finding the Fourth Proportional to 30,196.89, 45,267.39 and 11,471.31

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Solution

The fourth proportional to 30,196.89, 45,267.39 and 11,471.31 is: 17,196.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,196.89 : 45,267.39 = 11,471.31 : x
  2. Step 2: Convert to fraction form
    30,196.89/45,267.39 = 11,471.31/x
  3. Step 3: Cross multiply
    30,196.89x = 45,267.39 × 11,471.31
  4. Step 4: Simplify right side
    30,196.89x = 519,276,263.58
  5. Step 5: Solve for x
    x = 519,276,263.58/30,196.89
  6. Step 6: Final answer
    x = 17,196.35

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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.