Home / 47,460.13-71,190.83-12,399.75

Finding the Fourth Proportional to 47,460.13, 71,190.83 and 12,399.75

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Solution

The fourth proportional to 47,460.13, 71,190.83 and 12,399.75 is: 18,599.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,460.13 : 71,190.83 = 12,399.75 : x
  2. Step 2: Convert to fraction form
    47,460.13/71,190.83 = 12,399.75/x
  3. Step 3: Cross multiply
    47,460.13x = 71,190.83 × 12,399.75
  4. Step 4: Simplify right side
    47,460.13x = 882,748,525.29
  5. Step 5: Solve for x
    x = 882,748,525.29/47,460.13
  6. Step 6: Final answer
    x = 18,599.79

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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.