Home / 47,399.77-71,120.40-22,457.64

Finding the Fourth Proportional to 47,399.77, 71,120.40 and 22,457.64

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Solution

The fourth proportional to 47,399.77, 71,120.40 and 22,457.64 is: 33,696.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,399.77 : 71,120.40 = 22,457.64 : x
  2. Step 2: Convert to fraction form
    47,399.77/71,120.40 = 22,457.64/x
  3. Step 3: Cross multiply
    47,399.77x = 71,120.40 × 22,457.64
  4. Step 4: Simplify right side
    47,399.77x = 1,597,196,311.78
  5. Step 5: Solve for x
    x = 1,597,196,311.78/47,399.77
  6. Step 6: Final answer
    x = 33,696.29

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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.