Home / 29,107.20-43,660.80-13,555.20

Finding the Fourth Proportional to 29,107.20, 43,660.80 and 13,555.20

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Solution

The fourth proportional to 29,107.20, 43,660.80 and 13,555.20 is: 20,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,107.20 : 43,660.80 = 13,555.20 : x
  2. Step 2: Convert to fraction form
    29,107.20/43,660.80 = 13,555.20/x
  3. Step 3: Cross multiply
    29,107.20x = 43,660.80 × 13,555.20
  4. Step 4: Simplify right side
    29,107.20x = 591,830,876.16
  5. Step 5: Solve for x
    x = 591,830,876.16/29,107.20
  6. Step 6: Final answer
    x = 20,332.80

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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.