Home / 47,606.80-71,410.20-18,025.60

Finding the Fourth Proportional to 47,606.80, 71,410.20 and 18,025.60

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Solution

The fourth proportional to 47,606.80, 71,410.20 and 18,025.60 is: 27,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,606.80 : 71,410.20 = 18,025.60 : x
  2. Step 2: Convert to fraction form
    47,606.80/71,410.20 = 18,025.60/x
  3. Step 3: Cross multiply
    47,606.80x = 71,410.20 × 18,025.60
  4. Step 4: Simplify right side
    47,606.80x = 1,287,211,701.12
  5. Step 5: Solve for x
    x = 1,287,211,701.12/47,606.80
  6. Step 6: Final answer
    x = 27,038.40

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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.