Home / 64,028.12-96,060.40-21,913.79

Finding the Fourth Proportional to 64,028.12, 96,060.40 and 21,913.79

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Solution

The fourth proportional to 64,028.12, 96,060.40 and 21,913.79 is: 32,876.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,028.12 : 96,060.40 = 21,913.79 : x
  2. Step 2: Convert to fraction form
    64,028.12/96,060.40 = 21,913.79/x
  3. Step 3: Cross multiply
    64,028.12x = 96,060.40 × 21,913.79
  4. Step 4: Simplify right side
    64,028.12x = 2,105,046,897.83
  5. Step 5: Solve for x
    x = 2,105,046,897.83/64,028.12
  6. Step 6: Final answer
    x = 32,876.92

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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.