Home / 50,323.05-75,482.87-20,718.54

Finding the Fourth Proportional to 50,323.05, 75,482.87 and 20,718.54

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Solution

The fourth proportional to 50,323.05, 75,482.87 and 20,718.54 is: 31,077.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,323.05 : 75,482.87 = 20,718.54 : x
  2. Step 2: Convert to fraction form
    50,323.05/75,482.87 = 20,718.54/x
  3. Step 3: Cross multiply
    50,323.05x = 75,482.87 × 20,718.54
  4. Step 4: Simplify right side
    50,323.05x = 1,563,894,757.82
  5. Step 5: Solve for x
    x = 1,563,894,757.82/50,323.05
  6. Step 6: Final answer
    x = 31,077.11

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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.