Home / 31,677.18-47,484.33-17,643.62

Finding the Fourth Proportional to 31,677.18, 47,484.33 and 17,643.62

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Solution

The fourth proportional to 31,677.18, 47,484.33 and 17,643.62 is: 26,447.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,677.18 : 47,484.33 = 17,643.62 : x
  2. Step 2: Convert to fraction form
    31,677.18/47,484.33 = 17,643.62/x
  3. Step 3: Cross multiply
    31,677.18x = 47,484.33 × 17,643.62
  4. Step 4: Simplify right side
    31,677.18x = 837,795,527.02
  5. Step 5: Solve for x
    x = 837,795,527.02/31,677.18
  6. Step 6: Final answer
    x = 26,447.92

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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.