Home / 50,315.58-75,482.48-20,717.27

Finding the Fourth Proportional to 50,315.58, 75,482.48 and 20,717.27

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Solution

The fourth proportional to 50,315.58, 75,482.48 and 20,717.27 is: 31,079.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,315.58 : 75,482.48 = 20,717.27 : x
  2. Step 2: Convert to fraction form
    50,315.58/75,482.48 = 20,717.27/x
  3. Step 3: Cross multiply
    50,315.58x = 75,482.48 × 20,717.27
  4. Step 4: Simplify right side
    50,315.58x = 1,563,790,875.87
  5. Step 5: Solve for x
    x = 1,563,790,875.87/50,315.58
  6. Step 6: Final answer
    x = 31,079.66

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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.