Home / 52,450.23-78,605.28-19,138.98

Finding the Fourth Proportional to 52,450.23, 78,605.28 and 19,138.98

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Solution

The fourth proportional to 52,450.23, 78,605.28 and 19,138.98 is: 28,682.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,450.23 : 78,605.28 = 19,138.98 : x
  2. Step 2: Convert to fraction form
    52,450.23/78,605.28 = 19,138.98/x
  3. Step 3: Cross multiply
    52,450.23x = 78,605.28 × 19,138.98
  4. Step 4: Simplify right side
    52,450.23x = 1,504,424,881.81
  5. Step 5: Solve for x
    x = 1,504,424,881.81/52,450.23
  6. Step 6: Final answer
    x = 28,682.90

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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.