Home / 31,709.86-47,567.93-11,724.59

Finding the Fourth Proportional to 31,709.86, 47,567.93 and 11,724.59

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Solution

The fourth proportional to 31,709.86, 47,567.93 and 11,724.59 is: 17,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,709.86 : 47,567.93 = 11,724.59 : x
  2. Step 2: Convert to fraction form
    31,709.86/47,567.93 = 11,724.59/x
  3. Step 3: Cross multiply
    31,709.86x = 47,567.93 × 11,724.59
  4. Step 4: Simplify right side
    31,709.86x = 557,714,536.70
  5. Step 5: Solve for x
    x = 557,714,536.70/31,709.86
  6. Step 6: Final answer
    x = 17,588.05

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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.