Home / 50,009.60-75,021.86-18,417.24

Finding the Fourth Proportional to 50,009.60, 75,021.86 and 18,417.24

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Solution

The fourth proportional to 50,009.60, 75,021.86 and 18,417.24 is: 27,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,009.60 : 75,021.86 = 18,417.24 : x
  2. Step 2: Convert to fraction form
    50,009.60/75,021.86 = 18,417.24/x
  3. Step 3: Cross multiply
    50,009.60x = 75,021.86 × 18,417.24
  4. Step 4: Simplify right side
    50,009.60x = 1,381,695,600.87
  5. Step 5: Solve for x
    x = 1,381,695,600.87/50,009.60
  6. Step 6: Final answer
    x = 27,628.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.