Home / 31,572.77-47,365.40-11,582.45

Finding the Fourth Proportional to 31,572.77, 47,365.40 and 11,582.45

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Solution

The fourth proportional to 31,572.77, 47,365.40 and 11,582.45 is: 17,375.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,572.77 : 47,365.40 = 11,582.45 : x
  2. Step 2: Convert to fraction form
    31,572.77/47,365.40 = 11,582.45/x
  3. Step 3: Cross multiply
    31,572.77x = 47,365.40 × 11,582.45
  4. Step 4: Simplify right side
    31,572.77x = 548,607,524.60
  5. Step 5: Solve for x
    x = 548,607,524.60/31,572.77
  6. Step 6: Final answer
    x = 17,375.97

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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.