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Finding the Fourth Proportional to 46,483.79, 69,753.02 and 18,406.55

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Solution

The fourth proportional to 46,483.79, 69,753.02 and 18,406.55 is: 27,620.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,483.79 : 69,753.02 = 18,406.55 : x
  2. Step 2: Convert to fraction form
    46,483.79/69,753.02 = 18,406.55/x
  3. Step 3: Cross multiply
    46,483.79x = 69,753.02 × 18,406.55
  4. Step 4: Simplify right side
    46,483.79x = 1,283,912,358.25
  5. Step 5: Solve for x
    x = 1,283,912,358.25/46,483.79
  6. Step 6: Final answer
    x = 27,620.65

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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.