Home / 34,731.64-47,913.78-20,576.44

Finding the Fourth Proportional to 34,731.64, 47,913.78 and 20,576.44

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Solution

The fourth proportional to 34,731.64, 47,913.78 and 20,576.44 is: 28,386.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,731.64 : 47,913.78 = 20,576.44 : x
  2. Step 2: Convert to fraction form
    34,731.64/47,913.78 = 20,576.44/x
  3. Step 3: Cross multiply
    34,731.64x = 47,913.78 × 20,576.44
  4. Step 4: Simplify right side
    34,731.64x = 985,895,019.34
  5. Step 5: Solve for x
    x = 985,895,019.34/34,731.64
  6. Step 6: Final answer
    x = 28,386.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.