Home / 32,419.22-44,775.44-21,790.40

Finding the Fourth Proportional to 32,419.22, 44,775.44 and 21,790.40

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Solution

The fourth proportional to 32,419.22, 44,775.44 and 21,790.40 is: 30,095.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,419.22 : 44,775.44 = 21,790.40 : x
  2. Step 2: Convert to fraction form
    32,419.22/44,775.44 = 21,790.40/x
  3. Step 3: Cross multiply
    32,419.22x = 44,775.44 × 21,790.40
  4. Step 4: Simplify right side
    32,419.22x = 975,674,414.95
  5. Step 5: Solve for x
    x = 975,674,414.95/32,419.22
  6. Step 6: Final answer
    x = 30,095.56

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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.