Home / 45,239.88-62,433-30,108.36

Finding the Fourth Proportional to 45,239.88, 62,433 and 30,108.36

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Solution

The fourth proportional to 45,239.88, 62,433 and 30,108.36 is: 41,550.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,239.88 : 62,433 = 30,108.36 : x
  2. Step 2: Convert to fraction form
    45,239.88/62,433 = 30,108.36/x
  3. Step 3: Cross multiply
    45,239.88x = 62,433 × 30,108.36
  4. Step 4: Simplify right side
    45,239.88x = 1,879,755,239.88
  5. Step 5: Solve for x
    x = 1,879,755,239.88/45,239.88
  6. Step 6: Final answer
    x = 41,550.84

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1.5x scale

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.