Home / 31,186.08-46,779.15-8,695.86

Finding the Fourth Proportional to 31,186.08, 46,779.15 and 8,695.86

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Solution

The fourth proportional to 31,186.08, 46,779.15 and 8,695.86 is: 13,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186.08 : 46,779.15 = 8,695.86 : x
  2. Step 2: Convert to fraction form
    31,186.08/46,779.15 = 8,695.86/x
  3. Step 3: Cross multiply
    31,186.08x = 46,779.15 × 8,695.86
  4. Step 4: Simplify right side
    31,186.08x = 406,784,939.32
  5. Step 5: Solve for x
    x = 406,784,939.32/31,186.08
  6. Step 6: Final answer
    x = 13,043.80

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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.