Home / 29,571.12-40,771.84-18,373.68

Finding the Fourth Proportional to 29,571.12, 40,771.84 and 18,373.68

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Solution

The fourth proportional to 29,571.12, 40,771.84 and 18,373.68 is: 25,333.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,571.12 : 40,771.84 = 18,373.68 : x
  2. Step 2: Convert to fraction form
    29,571.12/40,771.84 = 18,373.68/x
  3. Step 3: Cross multiply
    29,571.12x = 40,771.84 × 18,373.68
  4. Step 4: Simplify right side
    29,571.12x = 749,128,741.17
  5. Step 5: Solve for x
    x = 749,128,741.17/29,571.12
  6. Step 6: Final answer
    x = 25,333.12

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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.