Home / 62,464.12-86,208.78-40,172.92

Finding the Fourth Proportional to 62,464.12, 86,208.78 and 40,172.92

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Solution

The fourth proportional to 62,464.12, 86,208.78 and 40,172.92 is: 55,443.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,464.12 : 86,208.78 = 40,172.92 : x
  2. Step 2: Convert to fraction form
    62,464.12/86,208.78 = 40,172.92/x
  3. Step 3: Cross multiply
    62,464.12x = 86,208.78 × 40,172.92
  4. Step 4: Simplify right side
    62,464.12x = 3,463,258,422.24
  5. Step 5: Solve for x
    x = 3,463,258,422.24/62,464.12
  6. Step 6: Final answer
    x = 55,443.96

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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.