Home / 29,989.85-44,890.45-20,574.81

Finding the Fourth Proportional to 29,989.85, 44,890.45 and 20,574.81

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Solution

The fourth proportional to 29,989.85, 44,890.45 and 20,574.81 is: 30,797.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,989.85 : 44,890.45 = 20,574.81 : x
  2. Step 2: Convert to fraction form
    29,989.85/44,890.45 = 20,574.81/x
  3. Step 3: Cross multiply
    29,989.85x = 44,890.45 × 20,574.81
  4. Step 4: Simplify right side
    29,989.85x = 923,612,479.56
  5. Step 5: Solve for x
    x = 923,612,479.56/29,989.85
  6. Step 6: Final answer
    x = 30,797.50

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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.