Home / 51,944.60-77,975.22-20,801.72

Finding the Fourth Proportional to 51,944.60, 77,975.22 and 20,801.72

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Solution

The fourth proportional to 51,944.60, 77,975.22 and 20,801.72 is: 31,225.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,944.60 : 77,975.22 = 20,801.72 : x
  2. Step 2: Convert to fraction form
    51,944.60/77,975.22 = 20,801.72/x
  3. Step 3: Cross multiply
    51,944.60x = 77,975.22 × 20,801.72
  4. Step 4: Simplify right side
    51,944.60x = 1,622,018,693.38
  5. Step 5: Solve for x
    x = 1,622,018,693.38/51,944.60
  6. Step 6: Final answer
    x = 31,225.93

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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.