Home / 32,400.28-44,420.78-31,809.79

Finding the Fourth Proportional to 32,400.28, 44,420.78 and 31,809.79

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Solution

The fourth proportional to 32,400.28, 44,420.78 and 31,809.79 is: 43,611.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,400.28 : 44,420.78 = 31,809.79 : x
  2. Step 2: Convert to fraction form
    32,400.28/44,420.78 = 31,809.79/x
  3. Step 3: Cross multiply
    32,400.28x = 44,420.78 × 31,809.79
  4. Step 4: Simplify right side
    32,400.28x = 1,413,015,683.44
  5. Step 5: Solve for x
    x = 1,413,015,683.44/32,400.28
  6. Step 6: Final answer
    x = 43,611.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.