Home / 29,127.60-40,174.79-19,039.86

Finding the Fourth Proportional to 29,127.60, 40,174.79 and 19,039.86

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Solution

The fourth proportional to 29,127.60, 40,174.79 and 19,039.86 is: 26,261.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,127.60 : 40,174.79 = 19,039.86 : x
  2. Step 2: Convert to fraction form
    29,127.60/40,174.79 = 19,039.86/x
  3. Step 3: Cross multiply
    29,127.60x = 40,174.79 × 19,039.86
  4. Step 4: Simplify right side
    29,127.60x = 764,922,281.93
  5. Step 5: Solve for x
    x = 764,922,281.93/29,127.60
  6. Step 6: Final answer
    x = 26,261.08

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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.