Home / 31,723.29-47,590.44-10,665.39

Finding the Fourth Proportional to 31,723.29, 47,590.44 and 10,665.39

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Solution

The fourth proportional to 31,723.29, 47,590.44 and 10,665.39 is: 15,999.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,723.29 : 47,590.44 = 10,665.39 : x
  2. Step 2: Convert to fraction form
    31,723.29/47,590.44 = 10,665.39/x
  3. Step 3: Cross multiply
    31,723.29x = 47,590.44 × 10,665.39
  4. Step 4: Simplify right side
    31,723.29x = 507,570,602.87
  5. Step 5: Solve for x
    x = 507,570,602.87/31,723.29
  6. Step 6: Final answer
    x = 15,999.94

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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.