Home / 53,039.88-73,197-29,168.40

Finding the Fourth Proportional to 53,039.88, 73,197 and 29,168.40

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Solution

The fourth proportional to 53,039.88, 73,197 and 29,168.40 is: 40,253.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,039.88 : 73,197 = 29,168.40 : x
  2. Step 2: Convert to fraction form
    53,039.88/73,197 = 29,168.40/x
  3. Step 3: Cross multiply
    53,039.88x = 73,197 × 29,168.40
  4. Step 4: Simplify right side
    53,039.88x = 2,135,039,374.80
  5. Step 5: Solve for x
    x = 2,135,039,374.80/53,039.88
  6. Step 6: Final answer
    x = 40,253.47

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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.