Home / 29,240.80-43,861.20-13,435.36

Finding the Fourth Proportional to 29,240.80, 43,861.20 and 13,435.36

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Solution

The fourth proportional to 29,240.80, 43,861.20 and 13,435.36 is: 20,153.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,240.80 : 43,861.20 = 13,435.36 : x
  2. Step 2: Convert to fraction form
    29,240.80/43,861.20 = 13,435.36/x
  3. Step 3: Cross multiply
    29,240.80x = 43,861.20 × 13,435.36
  4. Step 4: Simplify right side
    29,240.80x = 589,291,012.03
  5. Step 5: Solve for x
    x = 589,291,012.03/29,240.80
  6. Step 6: Final answer
    x = 20,153.04

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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.