Home / 47,121.75-65,028.15-26,978.94

Finding the Fourth Proportional to 47,121.75, 65,028.15 and 26,978.94

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Solution

The fourth proportional to 47,121.75, 65,028.15 and 26,978.94 is: 37,231.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,121.75 : 65,028.15 = 26,978.94 : x
  2. Step 2: Convert to fraction form
    47,121.75/65,028.15 = 26,978.94/x
  3. Step 3: Cross multiply
    47,121.75x = 65,028.15 × 26,978.94
  4. Step 4: Simplify right side
    47,121.75x = 1,754,390,557.16
  5. Step 5: Solve for x
    x = 1,754,390,557.16/47,121.75
  6. Step 6: Final answer
    x = 37,231.01

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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.