Home / 40,418.16-60,644.88-14,141.76

Finding the Fourth Proportional to 40,418.16, 60,644.88 and 14,141.76

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Solution

The fourth proportional to 40,418.16, 60,644.88 and 14,141.76 is: 21,218.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,418.16 : 60,644.88 = 14,141.76 : x
  2. Step 2: Convert to fraction form
    40,418.16/60,644.88 = 14,141.76/x
  3. Step 3: Cross multiply
    40,418.16x = 60,644.88 × 14,141.76
  4. Step 4: Simplify right side
    40,418.16x = 857,625,338.19
  5. Step 5: Solve for x
    x = 857,625,338.19/40,418.16
  6. Step 6: Final answer
    x = 21,218.81

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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.