Home / 30,861.19-42,588.48-16,714

Finding the Fourth Proportional to 30,861.19, 42,588.48 and 16,714

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Solution

The fourth proportional to 30,861.19, 42,588.48 and 16,714 is: 23,065.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,861.19 : 42,588.48 = 16,714 : x
  2. Step 2: Convert to fraction form
    30,861.19/42,588.48 = 16,714/x
  3. Step 3: Cross multiply
    30,861.19x = 42,588.48 × 16,714
  4. Step 4: Simplify right side
    30,861.19x = 711,823,854.72
  5. Step 5: Solve for x
    x = 711,823,854.72/30,861.19
  6. Step 6: Final answer
    x = 23,065.34

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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.