Home / 47,820.26-71,715.80-38,438.03

Finding the Fourth Proportional to 47,820.26, 71,715.80 and 38,438.03

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Solution

The fourth proportional to 47,820.26, 71,715.80 and 38,438.03 is: 57,645.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,820.26 : 71,715.80 = 38,438.03 : x
  2. Step 2: Convert to fraction form
    47,820.26/71,715.80 = 38,438.03/x
  3. Step 3: Cross multiply
    47,820.26x = 71,715.80 × 38,438.03
  4. Step 4: Simplify right side
    47,820.26x = 2,756,613,521.10
  5. Step 5: Solve for x
    x = 2,756,613,521.10/47,820.26
  6. Step 6: Final answer
    x = 57,645.31

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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.