Home / 47,650.56-65,564.64-39,121.26

Finding the Fourth Proportional to 47,650.56, 65,564.64 and 39,121.26

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Solution

The fourth proportional to 47,650.56, 65,564.64 and 39,121.26 is: 53,828.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,650.56 : 65,564.64 = 39,121.26 : x
  2. Step 2: Convert to fraction form
    47,650.56/65,564.64 = 39,121.26/x
  3. Step 3: Cross multiply
    47,650.56x = 65,564.64 × 39,121.26
  4. Step 4: Simplify right side
    47,650.56x = 2,564,971,328.25
  5. Step 5: Solve for x
    x = 2,564,971,328.25/47,650.56
  6. Step 6: Final answer
    x = 53,828.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.