Home / 40,665.06-56,121.66-25,569

Finding the Fourth Proportional to 40,665.06, 56,121.66 and 25,569

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Solution

The fourth proportional to 40,665.06, 56,121.66 and 25,569 is: 35,287.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,665.06 : 56,121.66 = 25,569 : x
  2. Step 2: Convert to fraction form
    40,665.06/56,121.66 = 25,569/x
  3. Step 3: Cross multiply
    40,665.06x = 56,121.66 × 25,569
  4. Step 4: Simplify right side
    40,665.06x = 1,434,974,724.54
  5. Step 5: Solve for x
    x = 1,434,974,724.54/40,665.06
  6. Step 6: Final answer
    x = 35,287.66

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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.