Home / 29,111.34-43,671.87-9,122.16

Finding the Fourth Proportional to 29,111.34, 43,671.87 and 9,122.16

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Solution

The fourth proportional to 29,111.34, 43,671.87 and 9,122.16 is: 13,684.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,111.34 : 43,671.87 = 9,122.16 : x
  2. Step 2: Convert to fraction form
    29,111.34/43,671.87 = 9,122.16/x
  3. Step 3: Cross multiply
    29,111.34x = 43,671.87 × 9,122.16
  4. Step 4: Simplify right side
    29,111.34x = 398,381,785.64
  5. Step 5: Solve for x
    x = 398,381,785.64/29,111.34
  6. Step 6: Final answer
    x = 13,684.76

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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.