Home / 31,007.96-46,486.02-14,379.86

Finding the Fourth Proportional to 31,007.96, 46,486.02 and 14,379.86

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Solution

The fourth proportional to 31,007.96, 46,486.02 and 14,379.86 is: 21,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,007.96 : 46,486.02 = 14,379.86 : x
  2. Step 2: Convert to fraction form
    31,007.96/46,486.02 = 14,379.86/x
  3. Step 3: Cross multiply
    31,007.96x = 46,486.02 × 14,379.86
  4. Step 4: Simplify right side
    31,007.96x = 668,462,459.56
  5. Step 5: Solve for x
    x = 668,462,459.56/31,007.96
  6. Step 6: Final answer
    x = 21,557.77

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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.