Home / 29,813.60-44,720.40-18,732.80

Finding the Fourth Proportional to 29,813.60, 44,720.40 and 18,732.80

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Solution

The fourth proportional to 29,813.60, 44,720.40 and 18,732.80 is: 28,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,813.60 : 44,720.40 = 18,732.80 : x
  2. Step 2: Convert to fraction form
    29,813.60/44,720.40 = 18,732.80/x
  3. Step 3: Cross multiply
    29,813.60x = 44,720.40 × 18,732.80
  4. Step 4: Simplify right side
    29,813.60x = 837,738,309.12
  5. Step 5: Solve for x
    x = 837,738,309.12/29,813.60
  6. Step 6: Final answer
    x = 28,099.20

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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.