Home / 47,459.40-71,183.70-12,402.60

Finding the Fourth Proportional to 47,459.40, 71,183.70 and 12,402.60

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Solution

The fourth proportional to 47,459.40, 71,183.70 and 12,402.60 is: 18,602.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,459.40 : 71,183.70 = 12,402.60 : x
  2. Step 2: Convert to fraction form
    47,459.40/71,183.70 = 12,402.60/x
  3. Step 3: Cross multiply
    47,459.40x = 71,183.70 × 12,402.60
  4. Step 4: Simplify right side
    47,459.40x = 882,862,957.62
  5. Step 5: Solve for x
    x = 882,862,957.62/47,459.40
  6. Step 6: Final answer
    x = 18,602.49

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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.