Home / 40,619-60,924.64-12,531.51

Finding the Fourth Proportional to 40,619, 60,924.64 and 12,531.51

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Solution

The fourth proportional to 40,619, 60,924.64 and 12,531.51 is: 18,796.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,619 : 60,924.64 = 12,531.51 : x
  2. Step 2: Convert to fraction form
    40,619/60,924.64 = 12,531.51/x
  3. Step 3: Cross multiply
    40,619x = 60,924.64 × 12,531.51
  4. Step 4: Simplify right side
    40,619x = 763,477,735.41
  5. Step 5: Solve for x
    x = 763,477,735.41/40,619
  6. Step 6: Final answer
    x = 18,796.07

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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.