Home / 56,487.30-84,728.76-17,043.36

Finding the Fourth Proportional to 56,487.30, 84,728.76 and 17,043.36

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Solution

The fourth proportional to 56,487.30, 84,728.76 and 17,043.36 is: 25,564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,487.30 : 84,728.76 = 17,043.36 : x
  2. Step 2: Convert to fraction form
    56,487.30/84,728.76 = 17,043.36/x
  3. Step 3: Cross multiply
    56,487.30x = 84,728.76 × 17,043.36
  4. Step 4: Simplify right side
    56,487.30x = 1,444,062,759.03
  5. Step 5: Solve for x
    x = 1,444,062,759.03/56,487.30
  6. Step 6: Final answer
    x = 25,564.38

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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.