Home / 30,305.66-41,818.83-16,876.40

Finding the Fourth Proportional to 30,305.66, 41,818.83 and 16,876.40

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Solution

The fourth proportional to 30,305.66, 41,818.83 and 16,876.40 is: 23,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.66 : 41,818.83 = 16,876.40 : x
  2. Step 2: Convert to fraction form
    30,305.66/41,818.83 = 16,876.40/x
  3. Step 3: Cross multiply
    30,305.66x = 41,818.83 × 16,876.40
  4. Step 4: Simplify right side
    30,305.66x = 705,751,302.61
  5. Step 5: Solve for x
    x = 705,751,302.61/30,305.66
  6. Step 6: Final answer
    x = 23,287.77

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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.