Home / 29,155.76-43,708.72-13,355.49

Finding the Fourth Proportional to 29,155.76, 43,708.72 and 13,355.49

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Solution

The fourth proportional to 29,155.76, 43,708.72 and 13,355.49 is: 20,021.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,155.76 : 43,708.72 = 13,355.49 : x
  2. Step 2: Convert to fraction form
    29,155.76/43,708.72 = 13,355.49/x
  3. Step 3: Cross multiply
    29,155.76x = 43,708.72 × 13,355.49
  4. Step 4: Simplify right side
    29,155.76x = 583,751,372.87
  5. Step 5: Solve for x
    x = 583,751,372.87/29,155.76
  6. Step 6: Final answer
    x = 20,021.82

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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.