Home / 31,185.60-46,774.64-8,697.92

Finding the Fourth Proportional to 31,185.60, 46,774.64 and 8,697.92

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Solution

The fourth proportional to 31,185.60, 46,774.64 and 8,697.92 is: 13,045.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,185.60 : 46,774.64 = 8,697.92 : x
  2. Step 2: Convert to fraction form
    31,185.60/46,774.64 = 8,697.92/x
  3. Step 3: Cross multiply
    31,185.60x = 46,774.64 × 8,697.92
  4. Step 4: Simplify right side
    31,185.60x = 406,842,076.75
  5. Step 5: Solve for x
    x = 406,842,076.75/31,185.60
  6. Step 6: Final answer
    x = 13,045.83

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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.