Home / 47,869.49-71,804.21-21,543.48

Finding the Fourth Proportional to 47,869.49, 71,804.21 and 21,543.48

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Solution

The fourth proportional to 47,869.49, 71,804.21 and 21,543.48 is: 32,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,869.49 : 71,804.21 = 21,543.48 : x
  2. Step 2: Convert to fraction form
    47,869.49/71,804.21 = 21,543.48/x
  3. Step 3: Cross multiply
    47,869.49x = 71,804.21 × 21,543.48
  4. Step 4: Simplify right side
    47,869.49x = 1,546,912,454.33
  5. Step 5: Solve for x
    x = 1,546,912,454.33/47,869.49
  6. Step 6: Final answer
    x = 32,315.20

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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.