Home / 32,338.32-44,638.68-20,409.42

Finding the Fourth Proportional to 32,338.32, 44,638.68 and 20,409.42

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Solution

The fourth proportional to 32,338.32, 44,638.68 and 20,409.42 is: 28,172.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,338.32 : 44,638.68 = 20,409.42 : x
  2. Step 2: Convert to fraction form
    32,338.32/44,638.68 = 20,409.42/x
  3. Step 3: Cross multiply
    32,338.32x = 44,638.68 × 20,409.42
  4. Step 4: Simplify right side
    32,338.32x = 911,049,568.37
  5. Step 5: Solve for x
    x = 911,049,568.37/32,338.32
  6. Step 6: Final answer
    x = 28,172.45

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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.