Home / 87,571.37-131,341.18-30,653.63

Finding the Fourth Proportional to 87,571.37, 131,341.18 and 30,653.63

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Solution

The fourth proportional to 87,571.37, 131,341.18 and 30,653.63 is: 45,974.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,571.37 : 131,341.18 = 30,653.63 : x
  2. Step 2: Convert to fraction form
    87,571.37/131,341.18 = 30,653.63/x
  3. Step 3: Cross multiply
    87,571.37x = 131,341.18 × 30,653.63
  4. Step 4: Simplify right side
    87,571.37x = 4,026,083,935.48
  5. Step 5: Solve for x
    x = 4,026,083,935.48/87,571.37
  6. Step 6: Final answer
    x = 45,974.89

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1.5x scale

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.