Home / 45,003.79-67,486.44-15,424.61

Finding the Fourth Proportional to 45,003.79, 67,486.44 and 15,424.61

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Solution

The fourth proportional to 45,003.79, 67,486.44 and 15,424.61 is: 23,130.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,003.79 : 67,486.44 = 15,424.61 : x
  2. Step 2: Convert to fraction form
    45,003.79/67,486.44 = 15,424.61/x
  3. Step 3: Cross multiply
    45,003.79x = 67,486.44 × 15,424.61
  4. Step 4: Simplify right side
    45,003.79x = 1,040,952,186.00
  5. Step 5: Solve for x
    x = 1,040,952,186.00/45,003.79
  6. Step 6: Final answer
    x = 23,130.32

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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.