Home / 32,418.40-44,735.88-21,806.32

Finding the Fourth Proportional to 32,418.40, 44,735.88 and 21,806.32

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Solution

The fourth proportional to 32,418.40, 44,735.88 and 21,806.32 is: 30,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,418.40 : 44,735.88 = 21,806.32 : x
  2. Step 2: Convert to fraction form
    32,418.40/44,735.88 = 21,806.32/x
  3. Step 3: Cross multiply
    32,418.40x = 44,735.88 × 21,806.32
  4. Step 4: Simplify right side
    32,418.40x = 975,524,914.76
  5. Step 5: Solve for x
    x = 975,524,914.76/32,418.40
  6. Step 6: Final answer
    x = 30,091.70

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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.