Home / 46,450.83-64,128.74-30,581.43

Finding the Fourth Proportional to 46,450.83, 64,128.74 and 30,581.43

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Solution

The fourth proportional to 46,450.83, 64,128.74 and 30,581.43 is: 42,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,450.83 : 64,128.74 = 30,581.43 : x
  2. Step 2: Convert to fraction form
    46,450.83/64,128.74 = 30,581.43/x
  3. Step 3: Cross multiply
    46,450.83x = 64,128.74 × 30,581.43
  4. Step 4: Simplify right side
    46,450.83x = 1,961,148,420.39
  5. Step 5: Solve for x
    x = 1,961,148,420.39/46,450.83
  6. Step 6: Final answer
    x = 42,219.88

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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.