Home / 31,349.08-43,207.86-29,872.72

Finding the Fourth Proportional to 31,349.08, 43,207.86 and 29,872.72

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Solution

The fourth proportional to 31,349.08, 43,207.86 and 29,872.72 is: 41,173.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,349.08 : 43,207.86 = 29,872.72 : x
  2. Step 2: Convert to fraction form
    31,349.08/43,207.86 = 29,872.72/x
  3. Step 3: Cross multiply
    31,349.08x = 43,207.86 × 29,872.72
  4. Step 4: Simplify right side
    31,349.08x = 1,290,736,303.58
  5. Step 5: Solve for x
    x = 1,290,736,303.58/31,349.08
  6. Step 6: Final answer
    x = 41,173.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.