Home / 50,215.76-75,320.52-20,632.82

Finding the Fourth Proportional to 50,215.76, 75,320.52 and 20,632.82

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Solution

The fourth proportional to 50,215.76, 75,320.52 and 20,632.82 is: 30,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,215.76 : 75,320.52 = 20,632.82 : x
  2. Step 2: Convert to fraction form
    50,215.76/75,320.52 = 20,632.82/x
  3. Step 3: Cross multiply
    50,215.76x = 75,320.52 × 20,632.82
  4. Step 4: Simplify right side
    50,215.76x = 1,554,074,731.47
  5. Step 5: Solve for x
    x = 1,554,074,731.47/50,215.76
  6. Step 6: Final answer
    x = 30,947.95

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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.