Home / 31,447.15-47,156.88-16,652.62

Finding the Fourth Proportional to 31,447.15, 47,156.88 and 16,652.62

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Solution

The fourth proportional to 31,447.15, 47,156.88 and 16,652.62 is: 24,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,447.15 : 47,156.88 = 16,652.62 : x
  2. Step 2: Convert to fraction form
    31,447.15/47,156.88 = 16,652.62/x
  3. Step 3: Cross multiply
    31,447.15x = 47,156.88 × 16,652.62
  4. Step 4: Simplify right side
    31,447.15x = 785,285,603.03
  5. Step 5: Solve for x
    x = 785,285,603.03/31,447.15
  6. Step 6: Final answer
    x = 24,971.60

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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.