Home / 50,368.28-75,486.70-20,756.32

Finding the Fourth Proportional to 50,368.28, 75,486.70 and 20,756.32

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Solution

The fourth proportional to 50,368.28, 75,486.70 and 20,756.32 is: 31,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,368.28 : 75,486.70 = 20,756.32 : x
  2. Step 2: Convert to fraction form
    50,368.28/75,486.70 = 20,756.32/x
  3. Step 3: Cross multiply
    50,368.28x = 75,486.70 × 20,756.32
  4. Step 4: Simplify right side
    50,368.28x = 1,566,826,100.94
  5. Step 5: Solve for x
    x = 1,566,826,100.94/50,368.28
  6. Step 6: Final answer
    x = 31,107.40

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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.