Home / 51,433.67-77,156.72-18,146.90

Finding the Fourth Proportional to 51,433.67, 77,156.72 and 18,146.90

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Solution

The fourth proportional to 51,433.67, 77,156.72 and 18,146.90 is: 27,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,433.67 : 77,156.72 = 18,146.90 : x
  2. Step 2: Convert to fraction form
    51,433.67/77,156.72 = 18,146.90/x
  3. Step 3: Cross multiply
    51,433.67x = 77,156.72 × 18,146.90
  4. Step 4: Simplify right side
    51,433.67x = 1,400,155,282.17
  5. Step 5: Solve for x
    x = 1,400,155,282.17/51,433.67
  6. Step 6: Final answer
    x = 27,222.54

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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.