Home / 45,760.19-68,528.50-28,205.87

Finding the Fourth Proportional to 45,760.19, 68,528.50 and 28,205.87

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Solution

The fourth proportional to 45,760.19, 68,528.50 and 28,205.87 is: 42,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,760.19 : 68,528.50 = 28,205.87 : x
  2. Step 2: Convert to fraction form
    45,760.19/68,528.50 = 28,205.87/x
  3. Step 3: Cross multiply
    45,760.19x = 68,528.50 × 28,205.87
  4. Step 4: Simplify right side
    45,760.19x = 1,932,905,549.14
  5. Step 5: Solve for x
    x = 1,932,905,549.14/45,760.19
  6. Step 6: Final answer
    x = 42,239.90

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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.