Home / 49,511.84-68,325.10-28,289.30

Finding the Fourth Proportional to 49,511.84, 68,325.10 and 28,289.30

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Solution

The fourth proportional to 49,511.84, 68,325.10 and 28,289.30 is: 39,038.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,511.84 : 68,325.10 = 28,289.30 : x
  2. Step 2: Convert to fraction form
    49,511.84/68,325.10 = 28,289.30/x
  3. Step 3: Cross multiply
    49,511.84x = 68,325.10 × 28,289.30
  4. Step 4: Simplify right side
    49,511.84x = 1,932,869,251.43
  5. Step 5: Solve for x
    x = 1,932,869,251.43/49,511.84
  6. Step 6: Final answer
    x = 39,038.53

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1.5x scale

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.