Home / 45,583.14-68,395.24-28,938.72

Finding the Fourth Proportional to 45,583.14, 68,395.24 and 28,938.72

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Solution

The fourth proportional to 45,583.14, 68,395.24 and 28,938.72 is: 43,421.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,583.14 : 68,395.24 = 28,938.72 : x
  2. Step 2: Convert to fraction form
    45,583.14/68,395.24 = 28,938.72/x
  3. Step 3: Cross multiply
    45,583.14x = 68,395.24 × 28,938.72
  4. Step 4: Simplify right side
    45,583.14x = 1,979,270,699.69
  5. Step 5: Solve for x
    x = 1,979,270,699.69/45,583.14
  6. Step 6: Final answer
    x = 43,421.11

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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.