Home / 47,157.28-65,089.20-29,241.76

Finding the Fourth Proportional to 47,157.28, 65,089.20 and 29,241.76

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Solution

The fourth proportional to 47,157.28, 65,089.20 and 29,241.76 is: 40,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,157.28 : 65,089.20 = 29,241.76 : x
  2. Step 2: Convert to fraction form
    47,157.28/65,089.20 = 29,241.76/x
  3. Step 3: Cross multiply
    47,157.28x = 65,089.20 × 29,241.76
  4. Step 4: Simplify right side
    47,157.28x = 1,903,322,764.99
  5. Step 5: Solve for x
    x = 1,903,322,764.99/47,157.28
  6. Step 6: Final answer
    x = 40,361.17

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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.