Home / 29,699.20-44,555.16-8,639.60

Finding the Fourth Proportional to 29,699.20, 44,555.16 and 8,639.60

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Solution

The fourth proportional to 29,699.20, 44,555.16 and 8,639.60 is: 12,961.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,699.20 : 44,555.16 = 8,639.60 : x
  2. Step 2: Convert to fraction form
    29,699.20/44,555.16 = 8,639.60/x
  3. Step 3: Cross multiply
    29,699.20x = 44,555.16 × 8,639.60
  4. Step 4: Simplify right side
    29,699.20x = 384,938,760.34
  5. Step 5: Solve for x
    x = 384,938,760.34/29,699.20
  6. Step 6: Final answer
    x = 12,961.25

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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.