Home / 47,840.19-71,776.44-21,182.54

Finding the Fourth Proportional to 47,840.19, 71,776.44 and 21,182.54

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Solution

The fourth proportional to 47,840.19, 71,776.44 and 21,182.54 is: 31,780.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,840.19 : 71,776.44 = 21,182.54 : x
  2. Step 2: Convert to fraction form
    47,840.19/71,776.44 = 21,182.54/x
  3. Step 3: Cross multiply
    47,840.19x = 71,776.44 × 21,182.54
  4. Step 4: Simplify right side
    47,840.19x = 1,520,407,532.71
  5. Step 5: Solve for x
    x = 1,520,407,532.71/47,840.19
  6. Step 6: Final answer
    x = 31,780.96

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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.