Home / 61,056.48-91,558.32-21,079.68

Finding the Fourth Proportional to 61,056.48, 91,558.32 and 21,079.68

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Solution

The fourth proportional to 61,056.48, 91,558.32 and 21,079.68 is: 31,610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,056.48 : 91,558.32 = 21,079.68 : x
  2. Step 2: Convert to fraction form
    61,056.48/91,558.32 = 21,079.68/x
  3. Step 3: Cross multiply
    61,056.48x = 91,558.32 × 21,079.68
  4. Step 4: Simplify right side
    61,056.48x = 1,930,020,086.94
  5. Step 5: Solve for x
    x = 1,930,020,086.94/61,056.48
  6. Step 6: Final answer
    x = 31,610.41

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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.