Home / 30,186.31-41,649.67-18,088.73

Finding the Fourth Proportional to 30,186.31, 41,649.67 and 18,088.73

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Solution

The fourth proportional to 30,186.31, 41,649.67 and 18,088.73 is: 24,957.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,186.31 : 41,649.67 = 18,088.73 : x
  2. Step 2: Convert to fraction form
    30,186.31/41,649.67 = 18,088.73/x
  3. Step 3: Cross multiply
    30,186.31x = 41,649.67 × 18,088.73
  4. Step 4: Simplify right side
    30,186.31x = 753,389,635.22
  5. Step 5: Solve for x
    x = 753,389,635.22/30,186.31
  6. Step 6: Final answer
    x = 24,957.99

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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.