Home / 40,448.36-60,686.94-20,736.20

Finding the Fourth Proportional to 40,448.36, 60,686.94 and 20,736.20

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Solution

The fourth proportional to 40,448.36, 60,686.94 and 20,736.20 is: 31,111.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,448.36 : 60,686.94 = 20,736.20 : x
  2. Step 2: Convert to fraction form
    40,448.36/60,686.94 = 20,736.20/x
  3. Step 3: Cross multiply
    40,448.36x = 60,686.94 × 20,736.20
  4. Step 4: Simplify right side
    40,448.36x = 1,258,416,525.23
  5. Step 5: Solve for x
    x = 1,258,416,525.23/40,448.36
  6. Step 6: Final answer
    x = 31,111.68

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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.