Home / 42,917.78-64,379.56-14,840.58

Finding the Fourth Proportional to 42,917.78, 64,379.56 and 14,840.58

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Solution

The fourth proportional to 42,917.78, 64,379.56 and 14,840.58 is: 22,261.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,917.78 : 64,379.56 = 14,840.58 : x
  2. Step 2: Convert to fraction form
    42,917.78/64,379.56 = 14,840.58/x
  3. Step 3: Cross multiply
    42,917.78x = 64,379.56 × 14,840.58
  4. Step 4: Simplify right side
    42,917.78x = 955,430,010.54
  5. Step 5: Solve for x
    x = 955,430,010.54/42,917.78
  6. Step 6: Final answer
    x = 22,261.87

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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.