Home / 53,418.88-73,717.12-29,219.84

Finding the Fourth Proportional to 53,418.88, 73,717.12 and 29,219.84

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Solution

The fourth proportional to 53,418.88, 73,717.12 and 29,219.84 is: 40,322.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,418.88 : 73,717.12 = 29,219.84 : x
  2. Step 2: Convert to fraction form
    53,418.88/73,717.12 = 29,219.84/x
  3. Step 3: Cross multiply
    53,418.88x = 73,717.12 × 29,219.84
  4. Step 4: Simplify right side
    53,418.88x = 2,154,002,451.66
  5. Step 5: Solve for x
    x = 2,154,002,451.66/53,418.88
  6. Step 6: Final answer
    x = 40,322.87

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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.