Home / 29,639.10-44,409.28-20,855.56

Finding the Fourth Proportional to 29,639.10, 44,409.28 and 20,855.56

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Solution

The fourth proportional to 29,639.10, 44,409.28 and 20,855.56 is: 31,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,639.10 : 44,409.28 = 20,855.56 : x
  2. Step 2: Convert to fraction form
    29,639.10/44,409.28 = 20,855.56/x
  3. Step 3: Cross multiply
    29,639.10x = 44,409.28 × 20,855.56
  4. Step 4: Simplify right side
    29,639.10x = 926,180,403.60
  5. Step 5: Solve for x
    x = 926,180,403.60/29,639.10
  6. Step 6: Final answer
    x = 31,248.60

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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.