Home / 30,166.31-41,602.25-18,836.84

Finding the Fourth Proportional to 30,166.31, 41,602.25 and 18,836.84

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Solution

The fourth proportional to 30,166.31, 41,602.25 and 18,836.84 is: 25,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166.31 : 41,602.25 = 18,836.84 : x
  2. Step 2: Convert to fraction form
    30,166.31/41,602.25 = 18,836.84/x
  3. Step 3: Cross multiply
    30,166.31x = 41,602.25 × 18,836.84
  4. Step 4: Simplify right side
    30,166.31x = 783,654,926.89
  5. Step 5: Solve for x
    x = 783,654,926.89/30,166.31
  6. Step 6: Final answer
    x = 25,977.82

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1.5x scale

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.