Home / 46,788.64-70,204.56-20,489.92

Finding the Fourth Proportional to 46,788.64, 70,204.56 and 20,489.92

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Solution

The fourth proportional to 46,788.64, 70,204.56 and 20,489.92 is: 30,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,788.64 : 70,204.56 = 20,489.92 : x
  2. Step 2: Convert to fraction form
    46,788.64/70,204.56 = 20,489.92/x
  3. Step 3: Cross multiply
    46,788.64x = 70,204.56 × 20,489.92
  4. Step 4: Simplify right side
    46,788.64x = 1,438,485,818.04
  5. Step 5: Solve for x
    x = 1,438,485,818.04/46,788.64
  6. Step 6: Final answer
    x = 30,744.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.