Home / 40,257.89-55,574.75-25,172.71

Finding the Fourth Proportional to 40,257.89, 55,574.75 and 25,172.71

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Solution

The fourth proportional to 40,257.89, 55,574.75 and 25,172.71 is: 34,750.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,257.89 : 55,574.75 = 25,172.71 : x
  2. Step 2: Convert to fraction form
    40,257.89/55,574.75 = 25,172.71/x
  3. Step 3: Cross multiply
    40,257.89x = 55,574.75 × 25,172.71
  4. Step 4: Simplify right side
    40,257.89x = 1,398,967,046.53
  5. Step 5: Solve for x
    x = 1,398,967,046.53/40,257.89
  6. Step 6: Final answer
    x = 34,750.14

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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.