Home / 39,932.56-59,896.68-12,230.64

Finding the Fourth Proportional to 39,932.56, 59,896.68 and 12,230.64

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Solution

The fourth proportional to 39,932.56, 59,896.68 and 12,230.64 is: 18,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,932.56 : 59,896.68 = 12,230.64 : x
  2. Step 2: Convert to fraction form
    39,932.56/59,896.68 = 12,230.64/x
  3. Step 3: Cross multiply
    39,932.56x = 59,896.68 × 12,230.64
  4. Step 4: Simplify right side
    39,932.56x = 732,574,730.28
  5. Step 5: Solve for x
    x = 732,574,730.28/39,932.56
  6. Step 6: Final answer
    x = 18,345.30

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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.