Home / 40,487.84-55,908.39-25,406.65

Finding the Fourth Proportional to 40,487.84, 55,908.39 and 25,406.65

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Solution

The fourth proportional to 40,487.84, 55,908.39 and 25,406.65 is: 35,083.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,487.84 : 55,908.39 = 25,406.65 : x
  2. Step 2: Convert to fraction form
    40,487.84/55,908.39 = 25,406.65/x
  3. Step 3: Cross multiply
    40,487.84x = 55,908.39 × 25,406.65
  4. Step 4: Simplify right side
    40,487.84x = 1,420,444,896.79
  5. Step 5: Solve for x
    x = 1,420,444,896.79/40,487.84
  6. Step 6: Final answer
    x = 35,083.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.