Home / 40,124.42-55,365.18-23,129.36

Finding the Fourth Proportional to 40,124.42, 55,365.18 and 23,129.36

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Solution

The fourth proportional to 40,124.42, 55,365.18 and 23,129.36 is: 31,914.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,124.42 : 55,365.18 = 23,129.36 : x
  2. Step 2: Convert to fraction form
    40,124.42/55,365.18 = 23,129.36/x
  3. Step 3: Cross multiply
    40,124.42x = 55,365.18 × 23,129.36
  4. Step 4: Simplify right side
    40,124.42x = 1,280,561,179.68
  5. Step 5: Solve for x
    x = 1,280,561,179.68/40,124.42
  6. Step 6: Final answer
    x = 31,914.76

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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.