Home / 51,421.87-77,142.45-23,343.89

Finding the Fourth Proportional to 51,421.87, 77,142.45 and 23,343.89

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Solution

The fourth proportional to 51,421.87, 77,142.45 and 23,343.89 is: 35,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,421.87 : 77,142.45 = 23,343.89 : x
  2. Step 2: Convert to fraction form
    51,421.87/77,142.45 = 23,343.89/x
  3. Step 3: Cross multiply
    51,421.87x = 77,142.45 × 23,343.89
  4. Step 4: Simplify right side
    51,421.87x = 1,800,804,867.13
  5. Step 5: Solve for x
    x = 1,800,804,867.13/51,421.87
  6. Step 6: Final answer
    x = 35,020.21

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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.