Home / 47,460.40-71,190.60-30,007.60

Finding the Fourth Proportional to 47,460.40, 71,190.60 and 30,007.60

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Solution

The fourth proportional to 47,460.40, 71,190.60 and 30,007.60 is: 45,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,460.40 : 71,190.60 = 30,007.60 : x
  2. Step 2: Convert to fraction form
    47,460.40/71,190.60 = 30,007.60/x
  3. Step 3: Cross multiply
    47,460.40x = 71,190.60 × 30,007.60
  4. Step 4: Simplify right side
    47,460.40x = 2,136,259,048.56
  5. Step 5: Solve for x
    x = 2,136,259,048.56/47,460.40
  6. Step 6: Final answer
    x = 45,011.40

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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.