Home / 30,102.88-41,541.51-16,490.82

Finding the Fourth Proportional to 30,102.88, 41,541.51 and 16,490.82

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Solution

The fourth proportional to 30,102.88, 41,541.51 and 16,490.82 is: 22,757.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,102.88 : 41,541.51 = 16,490.82 : x
  2. Step 2: Convert to fraction form
    30,102.88/41,541.51 = 16,490.82/x
  3. Step 3: Cross multiply
    30,102.88x = 41,541.51 × 16,490.82
  4. Step 4: Simplify right side
    30,102.88x = 685,053,563.94
  5. Step 5: Solve for x
    x = 685,053,563.94/30,102.88
  6. Step 6: Final answer
    x = 22,757.08

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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.