Home / 35,687.25-53,534.52-12,313.62

Finding the Fourth Proportional to 35,687.25, 53,534.52 and 12,313.62

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Solution

The fourth proportional to 35,687.25, 53,534.52 and 12,313.62 is: 18,471.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,687.25 : 53,534.52 = 12,313.62 : x
  2. Step 2: Convert to fraction form
    35,687.25/53,534.52 = 12,313.62/x
  3. Step 3: Cross multiply
    35,687.25x = 53,534.52 × 12,313.62
  4. Step 4: Simplify right side
    35,687.25x = 659,203,736.16
  5. Step 5: Solve for x
    x = 659,203,736.16/35,687.25
  6. Step 6: Final answer
    x = 18,471.69

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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.