Home / 45,628.29-68,396.67-18,937.98

Finding the Fourth Proportional to 45,628.29, 68,396.67 and 18,937.98

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Solution

The fourth proportional to 45,628.29, 68,396.67 and 18,937.98 is: 28,387.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,628.29 : 68,396.67 = 18,937.98 : x
  2. Step 2: Convert to fraction form
    45,628.29/68,396.67 = 18,937.98/x
  3. Step 3: Cross multiply
    45,628.29x = 68,396.67 × 18,937.98
  4. Step 4: Simplify right side
    45,628.29x = 1,295,294,768.53
  5. Step 5: Solve for x
    x = 1,295,294,768.53/45,628.29
  6. Step 6: Final answer
    x = 28,387.98

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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.