Home / 47,721.70-71,582.55-43,347.70

Finding the Fourth Proportional to 47,721.70, 71,582.55 and 43,347.70

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Solution

The fourth proportional to 47,721.70, 71,582.55 and 43,347.70 is: 65,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,721.70 : 71,582.55 = 43,347.70 : x
  2. Step 2: Convert to fraction form
    47,721.70/71,582.55 = 43,347.70/x
  3. Step 3: Cross multiply
    47,721.70x = 71,582.55 × 43,347.70
  4. Step 4: Simplify right side
    47,721.70x = 3,102,938,902.64
  5. Step 5: Solve for x
    x = 3,102,938,902.64/47,721.70
  6. Step 6: Final answer
    x = 65,021.55

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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.