Home / 47,755.34-71,608.29-21,437.42

Finding the Fourth Proportional to 47,755.34, 71,608.29 and 21,437.42

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Solution

The fourth proportional to 47,755.34, 71,608.29 and 21,437.42 is: 32,145.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,755.34 : 71,608.29 = 21,437.42 : x
  2. Step 2: Convert to fraction form
    47,755.34/71,608.29 = 21,437.42/x
  3. Step 3: Cross multiply
    47,755.34x = 71,608.29 × 21,437.42
  4. Step 4: Simplify right side
    47,755.34x = 1,535,096,988.21
  5. Step 5: Solve for x
    x = 1,535,096,988.21/47,755.34
  6. Step 6: Final answer
    x = 32,145.03

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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.