Home / 20,365.43-30,548.16-5,574.47

Finding the Fourth Proportional to 20,365.43, 30,548.16 and 5,574.47

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Solution

The fourth proportional to 20,365.43, 30,548.16 and 5,574.47 is: 8,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,365.43 : 30,548.16 = 5,574.47 : x
  2. Step 2: Convert to fraction form
    20,365.43/30,548.16 = 5,574.47/x
  3. Step 3: Cross multiply
    20,365.43x = 30,548.16 × 5,574.47
  4. Step 4: Simplify right side
    20,365.43x = 170,289,648.73
  5. Step 5: Solve for x
    x = 170,289,648.73/20,365.43
  6. Step 6: Final answer
    x = 8,361.70

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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.