Home / 31,861.16-47,768.98-14,984.72

Finding the Fourth Proportional to 31,861.16, 47,768.98 and 14,984.72

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Solution

The fourth proportional to 31,861.16, 47,768.98 and 14,984.72 is: 22,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,861.16 : 47,768.98 = 14,984.72 : x
  2. Step 2: Convert to fraction form
    31,861.16/47,768.98 = 14,984.72/x
  3. Step 3: Cross multiply
    31,861.16x = 47,768.98 × 14,984.72
  4. Step 4: Simplify right side
    31,861.16x = 715,804,789.99
  5. Step 5: Solve for x
    x = 715,804,789.99/31,861.16
  6. Step 6: Final answer
    x = 22,466.38

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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.