Home / 45,415.55-62,687.36-29,282.87

Finding the Fourth Proportional to 45,415.55, 62,687.36 and 29,282.87

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Solution

The fourth proportional to 45,415.55, 62,687.36 and 29,282.87 is: 40,419.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,415.55 : 62,687.36 = 29,282.87 : x
  2. Step 2: Convert to fraction form
    45,415.55/62,687.36 = 29,282.87/x
  3. Step 3: Cross multiply
    45,415.55x = 62,687.36 × 29,282.87
  4. Step 4: Simplify right side
    45,415.55x = 1,835,666,043.45
  5. Step 5: Solve for x
    x = 1,835,666,043.45/45,415.55
  6. Step 6: Final answer
    x = 40,419.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.