Home / 47,640.34-71,401.38-16,439.14

Finding the Fourth Proportional to 47,640.34, 71,401.38 and 16,439.14

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Solution

The fourth proportional to 47,640.34, 71,401.38 and 16,439.14 is: 24,638.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,640.34 : 71,401.38 = 16,439.14 : x
  2. Step 2: Convert to fraction form
    47,640.34/71,401.38 = 16,439.14/x
  3. Step 3: Cross multiply
    47,640.34x = 71,401.38 × 16,439.14
  4. Step 4: Simplify right side
    47,640.34x = 1,173,777,282.01
  5. Step 5: Solve for x
    x = 1,173,777,282.01/47,640.34
  6. Step 6: Final answer
    x = 24,638.31

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1.5x scale

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.