Home / 47,541.87-71,313.39-12,485.07

Finding the Fourth Proportional to 47,541.87, 71,313.39 and 12,485.07

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Solution

The fourth proportional to 47,541.87, 71,313.39 and 12,485.07 is: 18,727.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,541.87 : 71,313.39 = 12,485.07 : x
  2. Step 2: Convert to fraction form
    47,541.87/71,313.39 = 12,485.07/x
  3. Step 3: Cross multiply
    47,541.87x = 71,313.39 × 12,485.07
  4. Step 4: Simplify right side
    47,541.87x = 890,352,666.09
  5. Step 5: Solve for x
    x = 890,352,666.09/47,541.87
  6. Step 6: Final answer
    x = 18,727.76

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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.