Home / 40,935.92-61,406.04-13,236.08

Finding the Fourth Proportional to 40,935.92, 61,406.04 and 13,236.08

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Solution

The fourth proportional to 40,935.92, 61,406.04 and 13,236.08 is: 19,854.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,935.92 : 61,406.04 = 13,236.08 : x
  2. Step 2: Convert to fraction form
    40,935.92/61,406.04 = 13,236.08/x
  3. Step 3: Cross multiply
    40,935.92x = 61,406.04 × 13,236.08
  4. Step 4: Simplify right side
    40,935.92x = 812,775,257.92
  5. Step 5: Solve for x
    x = 812,775,257.92/40,935.92
  6. Step 6: Final answer
    x = 19,854.82

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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.