Home / 61,090.55-91,623.52-16,721.79

Finding the Fourth Proportional to 61,090.55, 91,623.52 and 16,721.79

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Solution

The fourth proportional to 61,090.55, 91,623.52 and 16,721.79 is: 25,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,090.55 : 91,623.52 = 16,721.79 : x
  2. Step 2: Convert to fraction form
    61,090.55/91,623.52 = 16,721.79/x
  3. Step 3: Cross multiply
    61,090.55x = 91,623.52 × 16,721.79
  4. Step 4: Simplify right side
    61,090.55x = 1,532,109,260.50
  5. Step 5: Solve for x
    x = 1,532,109,260.50/61,090.55
  6. Step 6: Final answer
    x = 25,079.32

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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.