Home / 56,305.50-84,458.25-21,236.96

Finding the Fourth Proportional to 56,305.50, 84,458.25 and 21,236.96

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Solution

The fourth proportional to 56,305.50, 84,458.25 and 21,236.96 is: 31,855.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,305.50 : 84,458.25 = 21,236.96 : x
  2. Step 2: Convert to fraction form
    56,305.50/84,458.25 = 21,236.96/x
  3. Step 3: Cross multiply
    56,305.50x = 84,458.25 × 21,236.96
  4. Step 4: Simplify right side
    56,305.50x = 1,793,636,054.63
  5. Step 5: Solve for x
    x = 1,793,636,054.63/56,305.50
  6. Step 6: Final answer
    x = 31,855.43

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Double scale
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Similar ratio
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1.5x scale

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.