Home / 31,319.72-43,187.46-23,779.88

Finding the Fourth Proportional to 31,319.72, 43,187.46 and 23,779.88

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Solution

The fourth proportional to 31,319.72, 43,187.46 and 23,779.88 is: 32,790.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,319.72 : 43,187.46 = 23,779.88 : x
  2. Step 2: Convert to fraction form
    31,319.72/43,187.46 = 23,779.88/x
  3. Step 3: Cross multiply
    31,319.72x = 43,187.46 × 23,779.88
  4. Step 4: Simplify right side
    31,319.72x = 1,026,992,616.30
  5. Step 5: Solve for x
    x = 1,026,992,616.30/31,319.72
  6. Step 6: Final answer
    x = 32,790.61

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1.5x scale

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.