Home / 20,320.74-30,441.67-14,974.21

Finding the Fourth Proportional to 20,320.74, 30,441.67 and 14,974.21

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Solution

The fourth proportional to 20,320.74, 30,441.67 and 14,974.21 is: 22,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,320.74 : 30,441.67 = 14,974.21 : x
  2. Step 2: Convert to fraction form
    20,320.74/30,441.67 = 14,974.21/x
  3. Step 3: Cross multiply
    20,320.74x = 30,441.67 × 14,974.21
  4. Step 4: Simplify right side
    20,320.74x = 455,839,983.96
  5. Step 5: Solve for x
    x = 455,839,983.96/20,320.74
  6. Step 6: Final answer
    x = 22,432.26

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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.