Home / 29,126.80-43,667.52-13,542.40

Finding the Fourth Proportional to 29,126.80, 43,667.52 and 13,542.40

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Solution

The fourth proportional to 29,126.80, 43,667.52 and 13,542.40 is: 20,303.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,126.80 : 43,667.52 = 13,542.40 : x
  2. Step 2: Convert to fraction form
    29,126.80/43,667.52 = 13,542.40/x
  3. Step 3: Cross multiply
    29,126.80x = 43,667.52 × 13,542.40
  4. Step 4: Simplify right side
    29,126.80x = 591,363,022.85
  5. Step 5: Solve for x
    x = 591,363,022.85/29,126.80
  6. Step 6: Final answer
    x = 20,303.06

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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.