Home / 20,472.46-30,497.41-19,852.96

Finding the Fourth Proportional to 20,472.46, 30,497.41 and 19,852.96

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Solution

The fourth proportional to 20,472.46, 30,497.41 and 19,852.96 is: 29,574.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,472.46 : 30,497.41 = 19,852.96 : x
  2. Step 2: Convert to fraction form
    20,472.46/30,497.41 = 19,852.96/x
  3. Step 3: Cross multiply
    20,472.46x = 30,497.41 × 19,852.96
  4. Step 4: Simplify right side
    20,472.46x = 605,463,860.83
  5. Step 5: Solve for x
    x = 605,463,860.83/20,472.46
  6. Step 6: Final answer
    x = 29,574.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.