Home / 31,128.27-46,699.80-8,941.14

Finding the Fourth Proportional to 31,128.27, 46,699.80 and 8,941.14

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Solution

The fourth proportional to 31,128.27, 46,699.80 and 8,941.14 is: 13,413.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,128.27 : 46,699.80 = 8,941.14 : x
  2. Step 2: Convert to fraction form
    31,128.27/46,699.80 = 8,941.14/x
  3. Step 3: Cross multiply
    31,128.27x = 46,699.80 × 8,941.14
  4. Step 4: Simplify right side
    31,128.27x = 417,549,449.77
  5. Step 5: Solve for x
    x = 417,549,449.77/31,128.27
  6. Step 6: Final answer
    x = 13,413.83

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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.